Search Results: "Woodland Hills California"
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01:22
Radical And Rational Equations — Basic Example  Math  New SAT  Khan Academy
318 views / 0 likes  addedWatch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp7harder?utm_source=YT&utm_medium=Desc&utm_campaign=

04:34
This Map Shows Where American Accents Come From
256 views / 0 likes  addedWhen you're traveling to another part of the US than you're originally from, it might be surprising to hear how different the locals sound. For instance, a New Yorker will likely speak the same English language in a completely different accent from a nati

03:14
Percents — Basic Example  Math  New SAT  Khan Academy
319 views / 0 likes  addedWatch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq2harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

03:37
Scatterplots — Harder Example  Math  New SAT  Khan Academy
287 views / 0 likes  addedWatch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq5easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

04:34
Scatterplots — Basic Example  Math  New SAT  Khan Academy
323 views / 0 likes  addedWatch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq4harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

05:03
Units — Harder Example  Math  New SAT  Khan Academy
311 views / 0 likes  addedWatch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq7easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo

03:00
Units — Basic Example  Math  New SAT  Khan Academy
333 views / 0 likes  addedWatch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq3harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou

01:45
Percents — Harder Example  Math  New SAT  Khan Academy
310 views / 0 likes  addedWatch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq3easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

02:07
How To Travel Around The World in 60 Seconds!
270 views / 0 likes  addedHow to Magic Around the World in a Snap! Evan Era travels around the world in less than a minute for this fun magic video! More than 10 international destinations all over the earth  London England • Paris France • Pisa Italy • Cairo Egypt • Beijing Chin

07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example  Math  New SAT  Khan Academy
1,007 views / 0 likes  addedWatch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp3easier?utm_source=YT&utm_medi

03:42
Manipulating Quadratic And Exponential Expressions — Basic Example  Math  New SAT  Khan Academy
377 views / 0 likes  addedWatch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp2harder?utm_source=YT&utm_mediu

07:18
Origins Of Algebra  Introduction To Algebra  Algebra I  Khan Academy
373 views / 0 likes  addedWhere did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introductiontoalgebra/overview_hist_alg/v/abstractness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha

04:33
Coordinating conjunctions  The parts of speech  Grammar  Khan Academy
297 views / 0 likes  addedCoordinating 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/meettheconjunction?utm_source=YT&utm_me

03:15
Personal pronouns  The parts of speech  Grammar  Khan Academy
253 views / 0 likes  addedLet's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/thepronoun/e/meetthepersonalpronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less

07:50
pH and pKa relationship for buffers  Chemistry  Khan Academy
440 views / 0 likes  addedHow the HendersonHasselbalch 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/acidbaseequilibrium/buffersolutions/v/

03:59
Meet the Comma  Punctuation  Grammar  Khan Academy
265 views / 0 likes  addedDavid 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/thecomma/

04:28
Data Inferences — Harder Example  Math  New SAT  Khan Academy
343 views / 0 likes  addedWatch Sal work through a harder Data inferences problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq9easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

03:32
Data Inferences — Basic Example  Math  New SAT  Khan Academy
373 views / 0 likes  addedWatch Sal work through a basic Data inferences problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq8harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed t

02:01
Table Data — Harder Example  Math  New SAT  Khan Academy
371 views / 0 likes  addedWatch Sal work through a harder Table data problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq4easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the p

01:22
Table Data — Basic Example  Math  New SAT  Khan Academy
318 views / 0 likes  addedWatch Sal work through a basic Table data problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq7harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr

12:51
Big Data Problems: Crash Course Statistics #39
35 views / 0 likes  addedThere is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t

03:00
Commas in dialogue  Punctuation  Grammar  Khan Academy
304 views / 0 likes  added“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/thecomma/e/commasindialogue?utm_so

04:47
Who versus whom  The parts of speech  Grammar  Khan Academy
229 views / 0 likes  addedWhen 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/thepronoun/e/relativepronouns?utm_source=YT&utm_medium=Desc&u

04:22
Ratios, Rates, And Proportions — Harder Example  Math  New SAT  Khan Academy
349 views / 0 likes  addedWatch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq2easier?utm_source=YT&utm_medium=Desc&utm_campaign

05:18
Linear And Exponential Growth — Harder Example  Math  New SAT  Khan Academy
391 views / 0 likes  addedWatch Sal work through a harder Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq8easier?utm_source=YT&utm_medium=Desc&utm_campaign=

02:28
Linear And Exponential Growth — Basic Example  Math  New SAT  Khan Academy
343 views / 0 likes  addedWatch Sal work through a basic Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq6harder?utm_source=YT&utm_medium=Desc&utm_campaign=N

03:27
Key Features Of Graphs — Harder Example  Math  New SAT  Khan Academy
275 views / 0 likes  addedWatch Sal work through a harder Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq6easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT

03:22
Key Features Of Graphs — Basic Example  Math  New SAT  Khan Academy
349 views / 0 likes  addedWatch Sal work through a basic Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq5harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M

04:00
Data Collection And Conclusions — Basic Example  Math  New SAT  Khan Academy
500 views / 0 likes  addedWatch Sal work through a basic Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq10harder?utm_source=YT&utm_medium=Desc&utm_campai

05:53
Comparing Q vs K example  Chemical equilibrium  Chemistry  Khan Academy
226 views / 0 likes  addedA 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/acidsandbasestopic/acidsandbases/v/arrheniusdefinitiono

02:55
Emphatic pronouns  The parts of speech  Grammar  Khan Academy
227 views / 0 likes  addedSometimes 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://

03:00
Appositives  Punctuation  Grammar  Khan Academy
244 views / 0 likes  addedDavid 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/thecomma/e/appositives?utm_source=YT&utm_med

05:03
Indefinite Pronouns  The parts of speech  Grammar  Khan Academy
279 views / 0 likes  addedDavid, 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

02:53
The truly irregular verbs  The parts of speech  Grammar  Khan Academy
234 views / 0 likes  addedSome 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/grammarverbs/e/introtoirregular

01:51
Punctuating a list  Punctuation  Grammar  Khan Academy
273 views / 0 likes  addedLearn 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/thecomma/e/punctuatinglists?utm_source=YT&utm_medium=

02:16
Center, Spread, And Shape Of Distributions — Harder Example  Math  New SAT  Khan Academy
355 views / 0 likes  addedWatch Sal work through a harder Center, spread, and shape of distributions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq10easier?utm_source=YT&utm_medium=Desc

03:12
Correlative conjunctions  The parts of speech  Grammar  Khan Academy
346 views / 0 likes  addedCorrelative 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/correlativeconjuntions?u

05:27
Subordinating conjunctions  The parts of speech  Grammar  Khan Academy
241 views / 0 likes  addedSubordinating 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

02:54
Helping verbs  The parts of speech  Grammar  Khan Academy
303 views / 0 likes  addedWe'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

05:27
Converting Directly From Binary To Hexadecimal  PreAlgebra  Khan Academy
294 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/exponentsradicals/Worldofexponents/v/exponentswarmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/prealgebra/app

02:11
Perfect progressive aspect  The parts of speech  Grammar  Khan Academy
228 views / 0 likes  addedWe 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

10:06
Primitive Technology: Crossdraft kiln
127 views / 0 likes  addedPrimitive Technology: Crossdraft kiln  Building a crossdraft kiln from scratch. Subscribe: http://bit.ly/subPT  Never miss a video! Enable ‘ALL’ Notifications! Last time, I made Polynesian Arrowroot Flour from scratch: https://youtube.com/wa

02:00
What is a pronoun?  The parts of speech  Grammar  Khan Academy
231 views / 0 likes  addedPronouns 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/thepronoun/e/theq

05:10
Reflexive pronouns  The parts of speech  Grammar  Khan Academy
265 views / 0 likes  addedWe 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

03:14
The irregular verb gets taken for a ride  Grammar  Khan Academy
262 views / 0 likes  addedThis 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/grammarverbs

05:34
Subject and object pronouns  The parts of speech  Grammar  Khan Academy
223 views / 0 likes  addedBefore 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

04:53
Modal verbs  The parts of speech  Grammar  Khan Academy
258 views / 0 likes  addedThere'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

03:37
Archerfish Says..."I Spit in Your Face!"  Deep Look
352 views / 1 likes  addedThe archerfish hunts by spitting water at terrestrial targets with weaponlike precision, and can even tell human faces apart. Is this fish smarter than it looks? SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK is a ultraHD (4K) short video series

02:45
Progressive Aspect  The parts of speech  Grammar  Khan Academy
258 views / 0 likes  addedIf 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
254 views / 0 likes  addedIf 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
Grammatical person and pronouns  The parts of speech  Grammar  Khan Academy
242 views / 0 likes  addedThere'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

04:35
Commas and introductory elements  Punctuation  Grammar  Khan Academy
230 views / 0 likes  addedIn 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/thecomma/e/commasan

08:30
Multiplying And Dividing Negative Numbers  PreAlgebra  Khan Academy
387 views / 0 likes  addedMultiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolutevalue/abs_value_tutorial/v/absolutevalueandnumberlines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

03:08
Where Are the Stars? See How Light Pollution Affects Night Skies  Short Film Showcase
348 views / 0 likes  addedOf the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from one to nine on the Bortle scale, and earlier this year, one study suggested that light pollution may be causing spring to
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03:00
Inverse Property Of Addition  Arithmetic Properties  PreAlgebra  Khan Academy
412 views / 0 likes  addedThe simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/prealgebra/orderofoperations/arithmetic_properties/v/inversepropertyofmultiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

05:18
Pronoun number  The parts of speech  Grammar  Khan Academy
319 views / 0 likes  addedThe 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

03:11
The vowelshift irregular verb  The parts of speech  Grammar  Khan Academy
245 views / 0 likes  addedThis 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/grammarverbs

09:17
Unit Conversion Within The Metric System  PreAlgebra  Khan Academy
344 views / 0 likes  addedMetric unit conversion Watch the next lesson: https://www.khanacademy.org/math/prealgebra/ratesandratios/metricsystemtutorial/v/convertingwithinthemetricsystem?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

07:33
Ways to get a buffer solution  Chemistry  Khan Academy
230 views / 0 likes  addedDescribes 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

02:32
Five Crazy Bridges For Animals
508 views / 1 likes  addedWatch Frankenstein MD on PBS Digital! http://pbly.co/FMDep1 ________________________ Please support MinuteEarth on Patreon  https://patreon.com/minuteearth And subscribe!  http://www.youtube.com/user/minuteearth?sub_confirmation=1 ______________________

07:43
Basic Addition  Addition And Subtraction  Arithmetic  Khan Academy
451 views / 1 likes  addedIntroduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/additionsubtraction/basic_addition/e/addition_1?utm_source=YT&utm_medium=Desc&ut

22:42
Scientists Fact Check Natural Disasters In Movies  Vanity Fair
99 views / 0 likes  addedEnvironmental scientists Morgan Page, Michael Angove and Peter Gleick review the scientific validity of scenes from "San Andres," "2012," "The Day After Tomorrow," "Volcano," "Twister," "Geostorm," "The Core," "Interstellar," "Sharknado," "The Perfect Sto

02:31
Perfect Aspect  The parts of speech  Grammar  Khan Academy
236 views / 0 likes  addedIf 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

02:48
Adding In Binary  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
431 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/binarymultiplication?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
264 views / 0 likes  addedIf 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
Hexadecimal Number System  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
384 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/decimaltobinary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

10:00
Introduction To Number Systems And Binary  PreAlgebra  Khan Academy
284 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/hexadecimalnumbersystem?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.

08:53
What is Evolution?
179 views / 0 likes  addedSupport Stated Clearly on Patreon: https://www.patreon.com/statedclearly Evolution is often considered a complex and controversial topic but it's actually a very simple concept to understand. Watch this short animation to see how evolution works. Share it

01:46
Introduction to verb tense  The parts of speech  Grammar  Khan Academy
275 views / 0 likes  addedAn 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/

04:56
Kidnapper Ants Steal Other Ants' Babies  And Brainwash Them  Deep Look
120 views / 0 likes  addedKidnapper ants raid other ant species' colonies, abduct their young and take them back to their nest. When the enslaved babies grow up, the kidnappers trick them into serving their captors hunting, cleaning the nest, even chewing up their food for them.Pl

03:43
Converting From Decimal To Hexadecimal Representation  PreAlgebra  Khan Academy
297 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/binaryaddition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p

03:52
Converting From Decimal To Binary  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
395 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/largenumberdecimaltobinary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca

04:43
Subject, direct object, and indirect object  Syntax  Khan Academy
216 views / 0 likes  addedA 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

04:35
This Bee Gets Punched by Flowers For Your Ice Cream  Deep Look
151 views / 0 likes  addedAlfalfa leafcutting bees are way better at pollinating alfalfa flowers than honeybees. They dont mind getting thwacked in the face by the springloaded blooms. And that's good, because hungry cows depend on their hard work to make milk.Join our community

07:46
Five Ramadan Iftar Meals Around the World
86 views / 0 likes  added1.6 billion Muslims are celebrating Ramadan around the world. As this holy month comes to a close, families around the world are preparing their last iftar meals to break their daily fasts. Venture into the kitchen of five Muslim women preparing food for

06:17
Solving Percent Problems  Decimals  PreAlgebra  Khan Academy
374 views / 0 likes  addedWe'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/prealgebra/decimalsprealg/percentwordprobsprealg/v/solvingpercentproblems2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

03:33
The Secret to Sriracha Hot Sauces Success
65 views / 0 likes  addedDavid Tran is the man to thank for the Sriracha Hot Chili Sauce you douse your scrambled eggs with every morning. You know the stuff. Red bottle with a green cap and a rooster on the frontplus five languages on the bottlethis simple sauce connects people

03:29
Introduction to irregular verbs  The parts of speech  Grammar  Khan Academy
266 views / 0 likes  addedWords 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

01:53
The funky ed irregular verb  The parts of speech  Grammar  Khan Academy
265 views / 0 likes  addedThese 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

04:49
Why Haven’t Hydrogen Vehicles Taken Over the World Yet?
125 views / 0 likes  addedHydrogen fuel cells are promoted as efficient and carbon free, but what happened to hydrogen cars? Why a Half Degree Rise in Global Temperature Would Be Catastrophic  https://youtu.be/teZk3NLU_7M Read More: Gas guzzlers reborn: Why your next car could ru

04:07
Why Crickets Just Won't Shut Up  Deep Look
71 views / 0 likes  addedMale crickets play tunes nonstop to woo a mate or keep enemies away. But they're not playing their song with the body part you're thinking. Please join our community on Patreon! https://www.patreon.com/deeplookSUBSCRIBE to Deep Look! http://goo.gl/8NwXqt

05:49
Why the Male Black Widow is a Real Home Wrecker  Deep Look
97 views / 0 likes  addedSure, the female black widow has a terrible reputation. But whos the real victim here? Her male counterpart is a total jerk and might just be getting what he deserves. Learn more about CuriosityStream at http://curiositystream.com/deeplook SUBSCRIBE to De

04:52
Possessive pronouns  The parts of speech  Grammar  Khan Academy
330 views / 0 likes  addedWe 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
Simplifying Square Roots  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
468 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/radicalradicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh

06:30
Surprise Toys for Kids Christmas Present Opening! WALMART Top Toys Chosen by Kids! Batman Superman
571 views / 1 likes  addedSURPRISE TOYS FOR KIDS CHRISTMAS PRESENTS Opening with Walmart Top Toys Chosen by Kids 2016! This kids video is sponsored by Walmart and thank you Walmart for providing all the toys! Ryan from Ryan ToysReview opening lots of kids toys! Perfect Christmas P

13:21
Basic Multiplication  Multiplication And Division  Arithmetic  Khan Academy
526 views / 1 likes  addedIntroduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplicationdivision/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa

05:52
Will The World Ever Run Out Of Water?
652 views / 4 likes  addedAs the human population continues to explode, resources for fresh water are dwindling. What happens if the world runs out of water? How California's Drought Affects The World ►►►► http://dne.ws/1lom4nc Get Awesome DNews Science Shirts! ►►►► http://dne.ws/
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09:36
Negative Numbers Introduction  Negative Numbers And Absolute Value  PreAlgebra  Khan Academy
353 views / 0 likes  addedMysterious 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.

07:00
Abstractness  Introduction To Algebra  Algebra I  Khan Academy
297 views / 0 likes  addedThe general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introductiontoalgebra/overview_hist_alg/v/thebeautyofalgebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h

12:49
Scientific Notation Examples  PreAlgebra  Khan Academy
325 views / 0 likes  addedMore scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/scientificnotation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W

09:16
Adding/subtracting Negative Numbers  PreAlgebra  Khan Academy
415 views / 0 likes  addedAdding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/prealgebra/negativesabsolutevalueprealg/multdivnegativesprealg/v/multiplyingpositiveandnegativenumbers?utm_source=YT&utm_medium=Desc&utm_campaign=

05:20
Order Of Operations: PEMDAS  Arithmetic Properties  PreAlgebra  Khan Academy
332 views / 0 likes  addedWork through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/orderofoperations/order_of_operations/e/order_of_operations

00:56
Counting With Small Numbers  Counting  Early Math  Khan Academy
394 views / 0 likes  addedLearn how to count squirrels and horses. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathcountingtopic/ccearlymathcounting/e/countingout120objects?utm_source=YT&utm_medium=Desc&

03:21
Introduction To Perimeter  Measurement  PreAlgebra  Khan Academy
274 views / 0 likes  addedFind perimeter by adding sidelengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

04:57
Irregular plural nouns  foreign plurals  The parts of speech  Grammar  Khan Academy
294 views / 0 likes  addedYou 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

02:55
Animaniacs Theme sightread by Tom Brier, piano
278 views / 0 likes  addedI suddenly realized before leaving my house on Saturday that Tom probably would have a blast playing the Animaniacs theme which I transcribed back in 1995 and finally created a score for earlier this year. So I put the sheet music in front of him that nig

04:00
The SnailSmashing, FishSpearing, EyePopping Mantis Shrimp
369 views / 0 likes  addedThe killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in dete

05:51
Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
407 views / 0 likes  addedIntroduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/equivalentfractionsprealg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

03:36
Approximating Irrational Number Exercise Example  PreAlgebra  Khan Academy
313 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/orderofoperations/rationalirrationalnumbers/e/approximatingirrationalnumbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

03:53
Plotting Basic Fractions On The Number Line  Fractions  PreAlgebra  Khan Academy
439 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/understandingfractionsprealg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

09:50
Adding And Subtracting Fractions  Fractions  PreAlgebra  Khan Academy
523 views / 1 likes  addedHow to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/fractionsunlikedenomprealg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA

03:11
What Is The Black Plague... And Should You Be Worried?
327 views / 0 likes  addedYosemite National Park just shut down two campgrounds due to the plague. Should you be worried? Subscribe! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more info?↓ National Park Service

02:07
Percentage Of A Whole Number  Decimals  PreAlgebra  Khan Academy
265 views / 0 likes  addedWe hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next

04:51
Cube Root Of A Nonperfect Cube  PreAlgebra  Khan Academy
397 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/cuberoottutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem

01:11
Subtracting Decimals: Example 1  Decimals  PreAlgebra  Khan Academy
356 views / 0 likes  addedSubtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimalsprealg/addingdecimalsprealg/e/subtracting

02:28
Drawing Line Of Reflection  Transformations  Geometry  Khan Academy
408 views / 0 likes  addedDrawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/v/determiningthelineofreflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www

05:34
Multiplying Positive And Negative Numbers  PreAlgebra  Khan Academy
345 views / 0 likes  addedLearn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolutevalue/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

04:33
Multiplying Negative And Positive Fractions  Fractions  PreAlgebra  Khan Academy
393 views / 0 likes  addedSee examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/multiplyingfractionsprealg/e/multiplying_fractions?utm_

03:33
So ... Sometimes Fireflies Eat Other Fireflies  Deep Look
133 views / 0 likes  addedMost firefly flashes are pure romance, a sexy form of skywriting. But one variety copies the mating signals of others to lure them to their demise. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultraHD (4K) short video series created by K

06:29
Multiplying Decimals: Place Value And Reordering  Decimals  PreAlgebra  Khan Academy
429 views / 0 likes  addedWe want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

03:31
Watch These Frustrated Squirrels Go Nuts!  Deep Look
284 views / 2 likes  addedHumans aren’t the only creatures that get frustrated. Squirrels do too. One researcher wants to know, could there be an evolutionary benefit to losing your cool? SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK is a ultraHD (4K) short video series

09:43
Exponent Rules Part 1  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
408 views / 0 likes  addedIntroduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/exponentproperties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the

08:55
The Giant Bird That Got Lost in Time
188 views / 1 likes  addedThe California condor is the biggest flying bird in North America, a title that it has held since the Late Pleistocene Epoch. It's just one example of an organism that we share the planet with today that seems lost in time, out of place in our world. Than

02:04
Ratio Word Problem: Boys To Girls  PreAlgebra  Khan Academy
309 views / 0 likes  addedIn this example, we are given a ratio and then asked to apply that ratio to solve a problem. No problem! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/ratesandratios/ratios_and_proportions/e/rat

02:39
Comparing Decimals: Ordering From Least To Greatest  Decimals  PreAlgebra  Khan Academy
397 views / 0 likes  addedThis is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

03:50
Introduction To Multiplying Decimals  Decimals  PreAlgebra  Khan Academy
413 views / 0 likes  addedMultiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w

20:48
Introduction To Scientific Notation  PreAlgebra  Khan Academy
421 views / 0 likes  addedIntroduction to scientific notation. An indepth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/scientificnotation/e/sc

03:38
Math Patterns Example 1  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
354 views / 0 likes  addedPart of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/mathpatterns?utm_source=YT&utm_mediu

08:13
Prime Numbers  Factors And Multiples  PreAlgebra  Khan Academy
359 views / 0 likes  addedWhat does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

03:03
Introduction To Exponents  PreAlgebra  Khan Academy
350 views / 0 likes  addedTaking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma

05:41
Math Patterns Example 2  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
362 views / 0 likes  addedWe continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/mathpatterns?utm_source=YT&utm_medium=Desc&utm

04:00
Finding Factors And Multiples  Factors And Multiples  PreAlgebra  Khan Academy
455 views / 0 likes  addedTo find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

14:13
Introduction To Ratios  Ratios, Proportions, Units, And Rates  PreAlgebra  Khan Academy
453 views / 0 likes  addedWhat a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/ratesandratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

09:45
Simplifying Radicals  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
417 views / 1 likes  addedUsing exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/radicalradicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm

04:18
Adele  Hello (Cello + Piano Cover)  Brooklyn Duo
471 views / 2 likes  added"Hello" by Adele, arranged and performed live on cello and piano by Brooklyn Duo. LISTEN on Spotify: http://bit.ly/29lnauM Buy our SHEET MUSIC: http://bit.ly/1T1SH3k EXPAND for more info! Additional strings recorded afterward by the incredible D

09:23
Converting Fractions To Decimals  Decimals  PreAlgebra  Khan Academy
438 views / 1 likes  addedHow to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimalsprealg/decimaltofractionprealg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u

03:24
The Incredible Sea Life of the Red Sea Coral Reef  BBC Earth
209 views / 0 likes  addedSimon Reeve dives into the Red Sea to get close to its incredible fish and marine wildlife. Subscribe to BBC Earth for more amazing animal videos  http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist

04:20
Dividing A Whole Number By A Decimal  Decimals  PreAlgebra  Khan Academy
390 views / 1 likes  addedWhen dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimalsprealg/divi

04:17
Introduction To Area And Unit Squares  Measurement  PreAlgebra  Khan Academy
289 views / 0 likes  addedCover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/measurement/areabasics/e/measuringareawithunitsquares?utm_source=YT&utm_medium=Desc&utm_campa

22:19
The Weird World in RGB
40 views / 0 likes  addedYou can support this channel on Patreon! Link below Have you ever wondered why the word looks so weird? Wait. Weird as in, like, all the time? Of course! We live in a weird world! But light, though! What about weird light? Ahhh, that's what this video is

07:14
Negative Exponents  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
408 views / 0 likes  addedHow does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/negativeexponents

03:06
This Pulsating Slime Mold Comes in Peace (ft. It's Okay to Be Smart)  Deep Look
305 views / 1 likes  addedAre You Smarter Than A Slime Mold? Let’s go ask Joe Hanson: https://youtu.be/K8HEDqoTPgk SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultraHD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See

05:02
Positive And Negative Slope  Algebra I  Khan Academy
342 views / 0 likes  addedPositive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/slope/v/similartrianglestoprovethattheslopeisconstantforaline?utm_source=YT&utm_medium=Desc&utm_campaign

09:29
Dividing Decimals With Hundredths Example 3  Decimals  PreAlgebra  Khan Academy
386 views / 0 likes  addedThe old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimalsprealg/dividingd

09:15
Mixed Numbers And Improper Fractions  Fractions  PreAlgebra  Khan Academy
464 views / 1 likes  addedConverting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/mixednumbersprealg/e/converting_mixed_numb

05:42
Understanding Division Of Fractions  Fractions  PreAlgebra  Khan Academy
397 views / 0 likes  addedUsing a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/divfractionsfractionsprealg/e/

03:31
Tagging the Largest Shark on Earth #OurBluePlanet  BBC Earth
421 views / 0 likes  addedThe size of a school bus but in many ways a mystery, whale sharks continue to fascinate. Join a team of international scientists at a renowned marine sanctuary in Cabo Pulmo, Mexico and discover how we’re trying to better understand these remarkable creat

01:10
High School Fitness (1962)
45 views / 0 likes  addedUnissued / unused material  dates and locations may be unclear / unknown. American newsreel item. Title reads: "Youth Fitness  La Sierra High Shows The Way" La Sierra, California, United States of America / USA LS La Sierra High School. MS Sign reading

08:21
Twovariable Linear Equations And Their Graphs  Algebra I  Khan Academy
277 views / 0 likes  addedIntroduction to 2variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/v/checkingorderedpairsolutionstoequatio

03:38
If Your Hands Could Smell, You’d Be an Octopus  Deep Look
533 views / 3 likes  addedThose hundreds of powerful suckers on octopus arms do more than just stick. They actually smell and taste. This contributes to a massive amount of information for the octopus’s brain to process, so the octopus depends on its eight arms for help. To
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07:08
Early Train Word Problem  Linear Equations  Algebra I  Khan Academy
395 views / 0 likes  addedFun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solvinglinearequationsandinequalities/Moreequationpractice/v/patternsinsequences1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

03:34
This Is Why Water Striders Make Terrible Lifeguards  Deep Look
123 views / 0 likes  addedThey may look serene as they glide across the surface of a stream, but don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes an inescapable death trap. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt

03:10
A Breathtaking Race with One of Sweden's Best Jockeys  Short Film Showcase
140 views / 0 likes  addedWith over 10,000 races under his belt, jockey PerAnders Gråberg handles the curves of the track like a Formula One driver in this equally risky profession. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Short Film Showcase: http://bit.ly/ShortFilm

01:34
Solving Ratio Problems With Graph  PreAlgebra  Khan Academy
377 views / 0 likes  addedIn this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/ratesandratios/ratios_and_proportions/e/solvingratioproblemswi

00:52
Reading Bar Charts: Basic Example  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
315 views / 0 likes  addedLet's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/

03:28
Inequality Word Problems  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
424 views / 0 likes  addedWe're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/greaterthanlessthan/e/writingnumeric

02:35
Dividing Whole Numbers And Fractions: Studying  Fractions  PreAlgebra  Khan Academy
498 views / 0 likes  addedSolve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/dividingfractionsprealg

06:56
Exponents And Powers Of Zero Patterns  PreAlgebra  Khan Academy
385 views / 0 likes  addedNow that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra

03:33
Finding A Percentage  Decimals  PreAlgebra  Khan Academy
390 views / 0 likes  addedOnce again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimal

03:08
Multiplying Unit Fractions And Whole Numbers  Fractions  PreAlgebra  Khan Academy
428 views / 1 likes  addedDon't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/multiplyin

02:58
Monkeys For A Party  Place Value (tens And Hundreds)  Early Math  Khan Academy
352 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathplacevaluetopic/ccearlymathteens/e/teennumbers1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:

04:25
Multiplying Challenging Decimals  Decimals  PreAlgebra  Khan Academy
305 views / 0 likes  addedSometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca

05:05
Solving Ratio Problems With Tables Example 1  PreAlgebra  Khan Academy
281 views / 0 likes  addedWe're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/r

02:38
Adding 5 + 3 + 6  Addition And Subtraction Within 20  Early Math  Khan Academy
364 views / 0 likes  addedLearn how to add 5 + 3 + 6. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub20/ccearlymathadd20/e/addingthreenumbers?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath W

06:14
How To Plot Inequalities On A Number Line  PreAlgebra  Khan Academy
363 views / 0 likes  addedLearn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/greaterthanlessthan/e/writin

04:58
Comparing Fractions Of Different Wholes  Fractions  3th Grade  Khan Academy
452 views / 0 likes  addedComparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccthirdgrademath/cc3rdfractionstopic/cc3rddifferentwholes/e/namingthewhole?utm_source=YT&utm_medium=Desc&utm_ca

06:20
Greatest Common Factor Explained  Factors And Multiples  PreAlgebra  Khan Academy
296 views / 0 likes  addedHere's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/factorsmultiples/

04:16
Least Common Multiple Exercise  Factors And Multiples  PreAlgebra  Khan Academy
370 views / 0 likes  addedWe're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now

02:36
Converting Decimals To Percents  Decimals  PreAlgebra  Khan Academy
321 views / 0 likes  addedNeed to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/decimalsprealg/percentintrop

03:49
UpsideDown Catfish Doesn't Care What You Think
446 views / 4 likes  addedYou might suppose this catfish is sick, or just confused. But swimming bellyup actually helps it camouflage and breathe better than its rightsideup cousins. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultraHD (4K) short video series
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02:32
Dividing Whole Numbers And Fractions: Potpourri  Fractions  PreAlgebra  Khan Academy
420 views / 0 likes  addedSolve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/dividingfractionsprealg

04:31
Number Patterns: Interpreting Relationships  PreAlgebra  Khan Academy
310 views / 0 likes  addedExamining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/numberpatterns/e/vis

04:24
Example Of Subtracting Fractions With Unlike Denominators  Fractions  PreAlgebra  Khan Academy
414 views / 0 likes  addedIf you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

04:19
Place Value Example With 42  Place Value (tens And Hundreds)  Early Math  Khan Academy
422 views / 0 likes  addedLearn to see 42 as 4 tens and 2 ones. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathplacevaluetopic/ccearlymathtens/e/groupsoftens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

02:27
Inequality Word Problem: One Variable  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
317 views / 0 likes  addedThis time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningto

01:55
Drawing Image Of Translation  Transformations  Geometry  Khan Academy
428 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeotranslations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

05:30
Can You Guess Which Animals Fart (Or Don't)?
274 views / 0 likes  added#DoesItFart has been trending on Twitter, and scientists have been answering. Here's everything you need to know about the farting database. What Farts Say About Your Health  https://youtu.be/LBL_NlYOmg Sign Up For The Seeker Newsletter Here  http://bi

03:19
Adding 8 + 7  Addition And Subtraction Within 20  Early Math  Khan Academy
367 views / 0 likes  addedLearn how to add 8 + 7 by making a group of ten. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub20/ccearlymathadd20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=

02:55
Place Value Example With 25  Place Value (tens And Hundreds)  Early Math  Khan Academy
374 views / 0 likes  addedLearn to see 25 as 2 tens and 5 ones. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathplacevaluetopic/ccearlymathtens/e/groupsoftens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

04:07
Adding And Subtracting Negative Numbers  PreAlgebra  Khan Academy
361 views / 0 likes  addedLearn how to add and subtract negative numbers. The problems solved in this video are 2  3 = 1 and 2  3 = 5 and 2 + 3 = 1 and 2  (3) = 5 and 2  (3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr

01:37
Translation Example  Transformations  Geometry  Khan Academy
390 views / 0 likes  addedTranslation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingtranslationsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_campa

02:36
Number Patterns: Seeing Relationships  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
352 views / 0 likes  addedLaying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyin

00:59
Average Height Of A Building's Floor  Multiplication And Division  3th Grade  Khan Academy
353 views / 0 likes  addedLearn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccthirdgrademath/cc3rdfractionstopic/cc3rdfractionsonthenumberline/e/fractions_on_the_number_lin

01:25
Using Rotation Widget  Transformations  Geometry  Khan Academy
344 views / 0 likes  addedUsing rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingrotationsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_campai

07:51
Volume: How To Measure It  Measurement  PreAlgebra  Khan Academy
354 views / 0 likes  addedVolume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org

03:53
Adding 7 + 6  Addition And Subtraction Within 20  Early Math  Khan Academy
298 views / 0 likes  addedLearn how to add 7 + 6 using the number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub20/ccearlymathadd20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=Ear

03:39
Introduction To Subtraction  Basic Addition And Subtraction  Early Math  Khan Academy
372 views / 0 likes  addedLearn what it means to subtract. The examples used in this video are 43 and 52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasics/ccearlymathaddsubintro/e/subtractio

04:31
Counting American Coins  Measurement And Data  Early Math  Khan Academy
377 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathmeasuredatatopic/ccearlymathmoney/v/countingdollars?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: htt

04:06
Making 5  Basic Addition And Subtraction  Early Math  Khan Academy
415 views / 0 likes  addedLearn how to add numbers to make 5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasics/ccearlymathmaking59/e/makingfive?utm_source=YT&utm_medium=Desc&utm_campaign=Earl

08:13
Points After Rotation  Transformations  Geometry  Khan Academy
380 views / 1 likes  addedPoints after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

01:58
Counting In Order  Counting  Early Math  Khan Academy
379 views / 0 likes  addedLearn how to count without making mistakes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathcountingtopic/ccearlymathcounting/e/countingobjects?utm_source=YT&utm_medium=Desc&utm_ca

04:03
Subtracting 14  6  Addition And Subtraction Within 20  Early Math  Khan Academy
347 views / 0 likes  addedLearn how to subtract 14  6 by first thinking about subtracting 2 and 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub20/ccearlymathsub20/e/subtraction_2?utm_source=YT&u

04:52
Could Injecting Carbon Into the Earth Save Our Planet?
89 views / 0 likes  addedCarbon pollution is being sucked from the sky and injected into underground rockswill Climeworks ambitious plan to stop climate change work? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylistIceland is a

02:04
Compose Shapes  Geometry  Early Math  Khan Academy
372 views / 0 likes  addedLearn how to combine shapes to make other shapes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathcomposingshapes/e/composeshapes?utm_source=YT&utm_medium

02:36
Counting By Tens Examples  Addition And Subtraction Within 100  Early Math  Khan Academy
391 views / 0 likes  addedLearn to count by tens. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathskipcounting/e/skipcountingby10s?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMa

05:59
Introduction To Place Value  Place Value (tens And Hundreds)  Early Math  Khan Academy
368 views / 0 likes  addedLearn why we use a "ones place" and a "tens place" when writing numbers. This video uses the number 37 as an example. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathplacevaluetopic/c

03:37
Starfish Rulers  Addition And Subtraction Within 100  Early Math  Khan Academy
353 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level4?utm_source=YT&utm_medium=Desc&utm_c

10:32
Rotating About Arbitrary Point  Transformations  Geometry  Khan Academy
383 views / 0 likes  addedRotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

02:12
Fewer Word Problems  Addition And Subtraction Within 100  Early Math  Khan Academy
377 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level3?utm_source=YT&utm_medium=Desc&utm_c

08:34
LCM And GCF Word Problems  Factors And Multiples  PreAlgebra  Khan Academy
374 views / 1 likes  addedHere we have a couple of word problemsone searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

03:18
Counting Dollars  Measurement And Data  Early Math  Khan Academy
383 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathmeasuredatatopic/ccearlymathmoney/v/countingdollars?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: htt

02:46
Defining Rotation Example  Transformations  Geometry  Khan Academy
397 views / 0 likes  addedDefining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/definingrotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

02:53
More Word Problems  Addition And Subtraction Within 100  Early Math  Khan Academy
382 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level3?utm_source=YT&utm_medium=Desc&utm_c

02:49
Percent Word Problem Example 2  Decimals  PreAlgebra  Khan Academy
318 views / 0 likes  addedIt's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac

03:55
What Is The Deep Space Network & How Does It Work?
327 views / 0 likes  addedSatellites and rovers in space use the Deep Space Network to get information back to Earth. What is it and how does it work? How GPS Works ►►►►http://bit.ly/MPpehX Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Deep Space N

03:23
Spots On A Die  Addition And Subtraction Within 100  Early Math  Khan Academy
400 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level4?utm_source=YT&utm_medium=Desc&utm_c

03:00
Teens As Sums With 10  Place Value (tens And Hundreds)  Early Math  Khan Academy
375 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathplacevaluetopic/ccearlymathteens/e/teennumbers1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:

03:40
Multistep Word Problem With Decimals And Subtraction  PreAlgebra  Khan Academy
379 views / 0 likes  addedFirst visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopi

02:17
Pieces Of Fruit  Basic Addition And Subtraction  Early Math  Khan Academy
482 views / 0 likes  addedLearn how to add fruit (by putting fruit together) and sutract fruit (by taking fruit away). Examples used are 5+3 and 53. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasic

03:45
Visualizing Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
426 views / 0 likes  addedTo understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/preal

03:11
Introduction To Addition  Basic Addition And Subtraction  Early Math  Khan Academy
342 views / 0 likes  addedLearn what it means to add. The examples used in this video are 1+1 and 2+3. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasics/ccearlymathaddsubintro/e/addition_1?utm_

07:19
Reflecting Segments Over Line  Transformations  Geometry  Khan Academy
349 views / 0 likes  addedReflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/e/reflections1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso
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