Search Results: "odysseus strengths"

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1:46:43
Moon landing LIVE: Watch Intuitive Machines Odysseus lander

39 views / 0 likes - added 2 months ago

Houston-based company Intuitive Machines' lunar lander, nicknamed Odysseus, attempts landing on the surface of the moon. A smooth touchdown would put the U.S. back in business on the moon for the first time since NASA astronauts closed out the Apollo prog
03:48 Popular
The Strengths And Weaknesses Of Acids And Bases - George Zaidan And Charles Morton

946 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of-acids-and-bases-george-zaidan-and-charles-morton Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away t
12:07 Popular
A Long and Difficult Journey, or The Odyssey: Crash Course Literature 201

749 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
04:32 Popular
The Science Behind The Myth: Homer's

750 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan Homer's "Odyssey" recounts the adventures of the Greek hero Odysseus during his journey home from the Trojan War. Though some parts may be based on real ev
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Oh My Dog!

481 views / 0 likes - added 6 years ago

In front of a raging crowd, the most oustanding dogs face each other to measure their talents and strengths.
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Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

932 views / 0 likes - added 8 years ago

The plural of "whale" is "whales", but what's the plural of "child"? David, Khan Academy's resident grammarian, explains. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower
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Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

878 views / 0 likes - added 8 years ago

The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains. Watch the next lesson: https://youtu.be/n9poHOKkF28 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a perso
04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

1,268 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize
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Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,124 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers
10:18 Popular
How To Argue - Induction & Abduction: Crash Course Philosophy #3

797 views / 1 likes - added 8 years ago

We continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic method. -- Images and video via VideoBlocks or Wikimedia Com
05:20 Popular
Overview Of Pixar In A Box

863 views / 0 likes - added 8 years ago

To see the full curriculum, go to www.pixarinabox.org. Learn how Pixar filmmakers use science, technology, engineering, art, and math to create movie magic. Pixar in a Box is a collaboration between Khan Academy and Pixar Animation Studios, sponsored by D
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Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

1,485 views / 0 likes - added 8 years ago

How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity
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Noble gas configuration

775 views / 0 likes - added 6 years ago

How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity
03:49 Popular
Meet The Prepositions | Prepositions | The Parts Of Speech | Grammar

1,057 views / 1 likes - added 7 years ago

Prepositions help show us where things are in space and time. Practice this yourself on Khan Academy right now: http://www.khanacademy.org/the-preposition/e/meet-the-preposition Watch the next lesson: https://www.youtube.com/watch?v=96sojEZsKu8 The parts
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Intensifiers And Adverbs Of Degree | Modifiers | The Parts Of Speech

994 views / 0 likes - added 7 years ago

Words like 'very' and 'slightly' are examples of intensifiers and adverbs of degree. Here's how they work! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modifier/e/intensifiers-and-adver
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Introduction to chemistry

806 views / 0 likes - added 6 years ago

A big picture intro to chemistry and why it is fascinating. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a fir
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Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,596 views / 0 likes - added 7 years ago

Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that
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BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

585 views / 0 likes - added 6 years ago

David, Paige, and Jake cover the fascinating history of the possessive apostrophe. Stay tuned for this bonus video! Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/v/bonus-history-of-the-ap
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Finding Units Of Rate Constant K

1,372 views / 0 likes - added 7 years ago

How to find the units for the rate constant k for a zero, first, or second order reaction. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. Thi
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Media Institution: Crash Course Government And Politics #44

689 views / 0 likes - added 8 years ago

So today we're going to look at the rather thorny issue of the media and its role in politics. Wether you're talking about older forms of media like newspapers and radio or newer forms like television and the Internet, all media serves the same purpose -
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BONUS VIDEO | Terminal Prepositions | Prepositions | The Parts Of Speech

536 views / 0 likes - added 7 years ago

It's totally okay to end sentences with prepositions! David, Khan Academy's grammarian-in-chief, explains the history and the context behind this long-held grammar myth. Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/gramma
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Prepositional Phrases | Prepositions | The Parts Of Speech | Grammar

734 views / 0 likes - added 7 years ago

Prepositional phrases are word chunks that begin with a preposition. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositional-phrases/ Missed the previous lesson? https://www.khanacademy.org/the-preposi
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Personal Identity: Crash Course Philosophy #19

862 views / 0 likes - added 7 years ago

Today Hank is building on last week’s exploration of identity to focus on personal identity. Does it in reside in your body? Is it in the collective memories of your consciousness? There are, of course, strengths and weaknesses to both of these ideas, and
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Introduction To Agreement | Verbs | The Parts Of Speech

787 views / 0 likes - added 7 years ago

When you match up the subject of a sentence with a verb, it's called 'agreement'. Here's how it works! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-verb-agreement M
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Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

646 views / 0 likes - added 6 years ago

Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its
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Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

579 views / 0 likes - added 6 years ago

Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit
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Prepositions Of Neither Space Nor Time | Prepositions | The Parts Of Speech | Grammar

910 views / 0 likes - added 7 years ago

Some prepositions describe relationships between people or things. These prepositions don’t include information about time or space. Watch the next lesson: https://www.khanacademy.org/the-preposition/e/common-prepositions Missed the previous lesson? Watch
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How to use italics and underlines | Punctuation | Khan Academy

565 views / 0 likes - added 6 years ago

Learn how to use italics and underlines when writing the titles of works or when emphasizing a particular word or phrase. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-qu
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Ellipses | Punctuation | Khan Academy

666 views / 0 likes - added 6 years ago

Ellipses are three little dots that we use to show a pause or that a portion of a quote has been removed. Learn how to use them in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introd
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Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

603 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k
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Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

781 views / 0 likes - added 6 years ago

Is it okay to begin a sentence with a conjunction like "but" or "because"? Yes. David explains why. Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/v/correlative-conjunctions?utm_source=YT&utm_medium=D
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Introduction To The SAT Writing & Language Test | Tips & Planning | New SAT | Khan Academy

753 views / 0 likes - added 8 years ago

This is the last video in our New SAT subject! Missed the previous lesson? https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-reading-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT New SAT (starting M
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Hyphens vs. dashes | Punctuation | Khan Academy

832 views / 1 likes - added 6 years ago

Hyphens and dashes look pretty similar, but their uses are very different! Learn when to use each one in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/dashes-and-hyphens Watch the nex
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Compound Prepositions | Prepositions | The Parts Of Speech | Grammar

951 views / 0 likes - added 7 years ago

These prepositions are called compound prepositions, or multisyllabic prepositions. Like most prepositions, they have both literal and figurative meanings. David explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech
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Dashes | Punctuation | Khan Academy

511 views / 0 likes - added 6 years ago

Dashes are like little actors—they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introduction-to-the-
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Prepositions Of Space | Prepositions | The Parts Of Speech | Grammar

1,112 views / 0 likes - added 7 years ago

Some prepositions help describe relationships between objects and their locations in space. David explains how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the nex
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Prepositions Of Time | Prepositions | The Parts Of Speech | Grammar

1,267 views / 0 likes - added 7 years ago

Some prepositions help describe moments in time. Learn more and enhance your powers of time wizardry! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the next lesson:
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Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

936 views / 0 likes - added 6 years ago

A worked example using Le Chatelier's principle to predict how concentrations will shift for different perturbations. Example includes changes in reaction vessel volume, changing amount of solid product, adding inert gas, and adding a catalyst. Chemistry
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BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

845 views / 0 likes - added 6 years ago

David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm
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What is a sentence? | Syntax | Khan Academy

554 views / 0 likes - added 6 years ago

A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:
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BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

463 views / 0 likes - added 6 years ago

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a
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Using quotation marks in titles | Punctuation | Khan Academy

561 views / 0 likes - added 6 years ago

Learn how to use quotation marks to title things like poems, songs, and episodes of TV shows. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-quotes/ Watch the next lesson:
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Three ways to end a sentence | Punctuation | Khan Academy

579 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a
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Introduction to Grammar | Grammar | Khan Academy

961 views / 0 likes - added 6 years ago

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa
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Parentheses | Punctuation | Khan Academy

408 views / 0 likes - added 6 years ago

Parentheses set off extra information (such as a writer's remarks, an interruption, or a reference) from the rest of a sentence. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneo
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Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

603 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
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Complex sentences | Syntax | Khan Academy

769 views / 0 likes - added 6 years ago

Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple
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Adjectives and commas | Adjectives | Khan Academy

692 views / 1 likes - added 6 years ago

When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-
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Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

553 views / 0 likes - added 6 years ago

Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch
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Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

500 views / 0 likes - added 6 years ago

Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha
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Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

526 views / 1 likes - added 6 years ago

David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe
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Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

931 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
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Commas in space and time | The Comma | Punctuation | Khan Academy

818 views / 0 likes - added 6 years ago

Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy

1,279 views / 0 likes - added 6 years ago

Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat
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Subject-verb agreement | Syntax | Khan Academy

627 views / 0 likes - added 6 years ago

Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc
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Exclamations | Syntax | Khan Academy

472 views / 0 likes - added 6 years ago

An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http
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Compound-complex sentences | Syntax | Khan Academy

842 views / 0 likes - added 6 years ago

Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com
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Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

464 views / 0 likes - added 6 years ago

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p
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Three types of sentence | Syntax | Khan Academy

637 views / 0 likes - added 6 years ago

Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig
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Parallel structure | Syntax | Khan Academy

652 views / 0 likes - added 6 years ago

Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr
Hornbills Pluck Bats Mid-flight | Eden: Untamed Planet | BBC Earth

187 views / 0 likes - added 2 years ago

Hawk-eagles and hornbills play to their unique strengths as they pluck bats mid-flight. Subscribe: http://bit.ly/BBCEarthSub #EdenWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http:
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The present tense | The parts of speech | Grammar | Khan Academy

802 views / 0 likes - added 6 years ago

How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse
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Introduction To The SAT Reading Test | Tips & Planning | New SAT | Khan Academy

599 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-writing-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous lesson? https://www.khanacademy.org/test-prep/new-s
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BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

512 views / 0 likes - added 6 years ago

You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif
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The past tense | The parts of speech | Grammar | Khan Academy

926 views / 0 likes - added 6 years ago

When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

958 views / 0 likes - added 6 years ago

When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca
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Dangling modifiers | Syntax | Khan Academy

585 views / 0 likes - added 6 years ago

A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne
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Content Changes To The New SAT | Tips & Planning | New SAT | Khan Academy

636 views / 0 likes - added 8 years ago

Sal covers the major content changes to the new SAT. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-math-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous l
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Simple and compound sentences | Syntax | Khan Academy

920 views / 0 likes - added 6 years ago

A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract
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Salutations and valedictions | Punctuation | Grammar | Khan Academy

824 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

766 views / 0 likes - added 6 years ago

An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c
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Recognizing fragments | Syntax | Khan Academy

486 views / 0 likes - added 6 years ago

A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan
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Run-ons and comma splices | Syntax | Khan Academy

593 views / 0 likes - added 6 years ago

A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on
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Relative pronouns | The parts of speech | Grammar | Khan Academy

1,127 views / 0 likes - added 6 years ago

We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/
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Subjects and predicates | Syntax | Khan Academy

650 views / 0 likes - added 6 years ago

A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id
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Complex Numbers — Harder Example | Math | New SAT | Khan Academy

1,031 views / 0 likes - added 8 years ago

Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
16:36 Popular
Writing: Informative — How-to Example | Reading & Writing | New SAT | Khan Academy

904 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Informative passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-narrative?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mis
03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy

799 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c
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Linking verbs | The parts of speech | Grammar | Khan Academy

1,605 views / 0 likes - added 6 years ago

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs
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Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

1,220 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
21:02 Popular
Writing: Argument — How-to Example | Reading & Writing | New SAT | Khan Academy

763 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Argument passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-informational-passage?utm_source=YT&utm_medium=Desc&utm_campaign=N
01:16 Popular
Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

940 views / 0 likes - added 8 years ago

Watch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
02:49
Circle Equations — Harder Example | Math | New SAT | Khan Academy

646 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
01:53 Popular
Circle Equations — Basic Example | Math | New SAT | Khan Academy

767 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:43
Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

607 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
08:17 Popular
Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

921 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
03:18 Popular
Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

1,168 views / 0 likes - added 8 years ago

Watch Sal work through a harder Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Miss
04:19 Popular
Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

1,577 views / 0 likes - added 8 years ago

Watch Sal work through a basic Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
04:10 Popular
Circle Theorems — Harder Example | Math | New SAT | Khan Academy

1,480 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
04:28 Popular
Circle Theorems — Basic Example | Math | New SAT | Khan Academy

1,352 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
02:50 Popular
Complex Numbers — Basic Example | Math | New SAT | Khan Academy

1,011 views / 0 likes - added 8 years ago

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
05:33 Popular
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

704 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:52
Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

692 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,202 views / 0 likes - added 8 years ago

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

900 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

1,021 views / 0 likes - added 8 years ago

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,201 views / 0 likes - added 8 years ago

Watch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
04:44 Popular
Relative clauses | Syntax | Khan Academy

746 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
02:23
Isolating Quantities — Harder Example | Math | New SAT | Khan Academy

655 views / 0 likes - added 8 years ago

Watch Sal work through a harder Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,100 views / 0 likes - added 8 years ago

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,124 views / 0 likes - added 8 years ago

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

1,439 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

1,501 views / 0 likes - added 8 years ago

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
02:11 Popular
Ratios, Rates, And Proportions — Basic Example | Math | New SAT | Khan Academy

1,028 views / 0 likes - added 8 years ago

Watch Sal work through a basic Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
07:22 Popular
Data Collection And Conclusions — Harder Example | Math | New SAT | Khan Academy

807 views / 0 likes - added 8 years ago

Watch Sal work through a harder Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

964 views / 0 likes - added 6 years ago

Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
03:45 Popular
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

1,012 views / 0 likes - added 8 years ago

Watch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai
03:52 Popular
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

868 views / 0 likes - added 8 years ago

Watch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig
02:58 Popular
Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

1,249 views / 0 likes - added 8 years ago

Watch Sal work through a harder Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
02:01 Popular
Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy

1,485 views / 0 likes - added 8 years ago

Watch Sal work through a basic Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-harder?utm_source=YT&utm_medium=Desc&utm_campaign
02:22 Popular
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

753 views / 0 likes - added 8 years ago

Watch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

1,303 views / 0 likes - added 8 years ago

Watch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

1,069 views / 0 likes - added 8 years ago

Watch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
03:13 Popular
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

823 views / 0 likes - added 8 years ago

Watch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

1,848 views / 1 likes - added 8 years ago

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp
03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

1,304 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca
03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

651 views / 0 likes - added 8 years ago

Watch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

803 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne
04:34 Popular
Radical And Rational Equations — Harder Example | Math | New SAT | Khan Academy

1,074 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p9-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

861 views / 0 likes - added 8 years ago

Watch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

830 views / 0 likes - added 8 years ago

Watch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

1,555 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-easier?utm_source=YT&utm_medium=Desc&utm_campaig
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

999 views / 0 likes - added 8 years ago

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,553 views / 0 likes - added 8 years ago

Watch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,467 views / 0 likes - added 6 years ago

A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
03:37 Popular
Scatterplots — Harder Example | Math | New SAT | Khan Academy

1,319 views / 0 likes - added 8 years ago

Watch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy

1,603 views / 0 likes - added 8 years ago

Watch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy

804 views / 0 likes - added 8 years ago

Watch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo
03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy

816 views / 0 likes - added 8 years ago

Watch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy

749 views / 0 likes - added 8 years ago

Watch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:14
Percents — Basic Example | Math | New SAT | Khan Academy

695 views / 0 likes - added 8 years ago

Watch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,146 views / 0 likes - added 6 years ago

Introduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

2,337 views / 0 likes - added 8 years ago

Watch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi
03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

1,049 views / 0 likes - added 8 years ago

Watch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

922 views / 0 likes - added 6 years ago

Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy

749 views / 1 likes - added 8 years ago

Watch Sal work through a harder Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q9-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
03:32 Popular
Data Inferences — Basic Example | Math | New SAT | Khan Academy

1,387 views / 0 likes - added 8 years ago

Watch Sal work through a basic Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed t
02:01 Popular
Table Data — Harder Example | Math | New SAT | Khan Academy

839 views / 0 likes - added 8 years ago

Watch Sal work through a harder Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the p
01:22 Popular
Table Data — Basic Example | Math | New SAT | Khan Academy

1,027 views / 0 likes - added 8 years ago

Watch Sal work through a basic Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy

611 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

990 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,087 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

827 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

925 views / 0 likes - added 8 years ago

Watch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy

858 views / 0 likes - added 8 years ago

Watch Sal work through a harder Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=
02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy

1,136 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=N
03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy

731 views / 0 likes - added 8 years ago

Watch Sal work through a harder Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT
03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy

1,091 views / 0 likes - added 8 years ago

Watch Sal work through a basic Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

2,445 views / 0 likes - added 8 years ago

Watch Sal work through a basic Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-harder?utm_source=YT&utm_medium=Desc&utm_campai
02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy

1,333 views / 0 likes - added 8 years ago

Watch Sal work through a harder Center, spread, and shape of distributions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-easier?utm_source=YT&utm_medium=Desc
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

900 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,158 views / 1 likes - added 6 years ago

“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
04:47
Who versus whom | The parts of speech | Grammar | Khan Academy

589 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
03:00
Appositives | Punctuation | Grammar | Khan Academy

625 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy

646 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,002 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,204 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy

579 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,152 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,028 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

574 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,130 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,146 views / 0 likes - added 6 years ago

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

533 views / 0 likes - added 6 years ago

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy

889 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,277 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,067 views / 0 likes - added 6 years ago

Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q
03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy

582 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
04:54
What Causes Dyslexia?

647 views / 1 likes - added 8 years ago

Dyslexia affects millions of people every year, but how does having dyslexia change the way you learn? Can This Font Help People With Dyslexia ►►►► http://dne.ws/1sJGwe1 Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Reader
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02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy

519 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy

604 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy

1,084 views / 0 likes - added 6 years ago

We use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy

862 views / 0 likes - added 6 years ago

The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,790 views / 0 likes - added 8 years ago

Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
07:43 Popular
Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy

1,285 views / 1 likes - added 8 years ago

Introduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/addition-subtraction/basic_addition/e/addition_1?utm_source=YT&utm_medium=Desc&ut
05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy

527 views / 0 likes - added 6 years ago

Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

1,183 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

1,828 views / 0 likes - added 8 years ago

Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http
04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy

522 views / 0 likes - added 6 years ago

In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy

1,463 views / 0 likes - added 6 years ago

There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you
02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy

682 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

865 views / 0 likes - added 6 years ago

There's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,029 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

567 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,090 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,733 views / 0 likes - added 8 years ago

The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

611 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,247 views / 0 likes - added 6 years ago

Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy

800 views / 0 likes - added 6 years ago

An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

1,428 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p
03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,509 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

881 views / 0 likes - added 8 years ago

We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the
07:13
Overcoming Dyslexia, Finding Passion: Piper Otterbein at TEDxYouth@CEHS

575 views / 0 likes - added 6 years ago

Piper Otterbein is a senior at Cape Elizabeth High School. Piper was born in New York, but she has lived in Cape Elizabeth for the past eleven years. When Piper was in first grade, she was diagnosed with a learning disability. While Piper struggled throug
01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

567 views / 1 likes - added 6 years ago

These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac
04:43
Subject, direct object, and indirect object | Syntax | Khan Academy

656 views / 0 likes - added 6 years ago

A subject is the noun phrase that drives the action of a sentence; in the sentence “Jake ate cereal,” Jake is the subject. The direct object is the thing that the subject acts upon, so in that last sentence, “cereal” is the direct object; it’s the thing J
03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

562 views / 0 likes - added 6 years ago

Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad
04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy

662 views / 0 likes - added 6 years ago

We can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,761 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,164 views / 0 likes - added 8 years ago

Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,347 views / 0 likes - added 8 years ago

Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=
13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

1,818 views / 2 likes - added 8 years ago

Introduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa
04:57
Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy

630 views / 0 likes - added 6 years ago

You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,159 views / 0 likes - added 8 years ago

More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

2,076 views / 0 likes - added 8 years ago

Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

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