Search Results: "conjugate acid- pairs | acids bases | chemistry | khan academy"

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03:49 Popular
The Chemistry of Snake Venom

2,746 views / 17 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions We know poisonous snakes are dangerous, but what exactly makes venom so powerful? Evolutionary biology tells us why venom is useful for snakes, but chemistry tells us how venom works. This week, Reactions sheds some l
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,585 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=
04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

2,505 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
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

2,354 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
02:40 Popular
Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

2,246 views / 0 likes - added 8 years ago

Interpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-functions?ut
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,224 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.
04:11 Popular
Subtracting Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy

2,218 views / 0 likes - added 8 years ago

Learn how to subtract 1, 10, or 100 from a number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens-hundreds/e/subtract-within-1000--level-1?utm_s
09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

2,143 views / 2 likes - added 8 years ago

How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

2,136 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
09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

2,136 views / 1 likes - added 8 years ago

How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA
02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

2,111 views / 0 likes - added 8 years ago

Solve 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/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

2,054 views / 0 likes - added 8 years ago

Introduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio
07:11 Popular
Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

2,053 views / 0 likes - added 8 years ago

Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio
10:15 Popular
Polymers - Crash Course Chemistry #45

2,009 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
02:36 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

1,969 views / 0 likes - added 8 years ago

Sal interprets the expression P(5) minor P(9) where P models the number of people at the beach over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

1,963 views / 0 likes - added 8 years ago

Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

1,962 views / 0 likes - added 8 years ago

What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

1,951 views / 0 likes - added 8 years ago

This 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/
01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

1,943 views / 0 likes - added 8 years ago

In 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/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi
03:12 Popular
Graphing Linear Functions Example 2 | Algebra I | Khan Academy

1,942 views / 0 likes - added 8 years ago

Graphing equation for filling pool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/graphing-linear-functions-word-problems?utm
02:15 Popular
Addition And Subtraction Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

1,933 views / 0 likes - added 8 years ago

See how to solve a bunch of addition and subtraction problems with small numbers. All numbers in this video are 10 or less. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basic
08:52 Popular
Linear Models Example 1 | Algebra I | Khan Academy

1,924 views / 0 likes - added 8 years ago

Linear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?u
05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

1,917 views / 0 likes - added 8 years ago

Work 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/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

1,883 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
05:30 Popular
Graphing Linear Functions Example 1 | Algebra I | Khan Academy

1,879 views / 0 likes - added 8 years ago

Learn how graph a linear function. This video gives an example of graphing fuel consumption as a function of distance. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

1,867 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
04:32 Popular
How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

1,863 views / 0 likes - added 8 years ago

Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-
08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

1,861 views / 1 likes - added 8 years ago

Here we have a couple of word problems--one 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
01:49 Popular
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

1,856 views / 0 likes - added 8 years ago

Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,844 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
13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

1,831 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
03:53 Popular
Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

1,826 views / 1 likes - added 8 years ago

Learn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--
09:50 Popular
Aromatics and Cyclic Compounds - Crash Course Chemistry #42

1,822 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

1,804 views / 2 likes - added 8 years ago

Converting 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/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,793 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
02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

1,786 views / 0 likes - added 8 years ago

Solve 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/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
06:35 Popular
Constructing Linear Functions Example 1 | Algebra I | Khan Academy

1,784 views / 0 likes - added 8 years ago

Linear model for ice sheet thickness Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-linear-functions-word-proble
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,769 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
07:23 Popular
Introduction To Transformations | Transformations | Geometry | Khan Academy

1,755 views / 0 likes - added 8 years ago

Introduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=De
04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

1,752 views / 1 likes - added 8 years ago

When 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/pre-algebra/decimals-pre-alg/divi
11:18 Popular
Nuclear Chemistry Part 2: Fusion and Fission - Crash Course Chemistry #39

1,740 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
03:34 Popular
Why Does Milk Curdle When It Goes Bad?

1,736 views / 1 likes - added 8 years ago

Most foods fall apart when they go bad - so why does milk clump together? The answer is bacterial poop, and Lauren can explain. Learn more at HowStuffWorks.com: http://science.howstuffworks.com/innovation/edible-innovations/yogurt2.htm Share on Facebook:
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01:44 Popular
Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

1,728 views / 0 likes - added 8 years ago

Learn how to read two-way tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/v/counting-with-small-numbers?utm_source=YT&utm_medium=Desc&utm_c
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,717 views / 0 likes - added 8 years ago

Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o
10:34 Popular
The Global Carbon Cycle - Crash Course Chemistry #46

1,711 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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06:55 Popular
What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

1,710 views / 0 likes - added 8 years ago

Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable
04:25 Popular
What Are Isotopes? | Chemistry Basics

1,703 views / 0 likes - added 5 years ago

Basics of Chemistry is a new miniseries from the American Chemical Society about the basics of Chemistry. In this episode we're talking isotopes, what are they and why are they important? Head on over to the official American Chemical Society youtube page
02:46 Popular
Defining Rotation Example | Transformations | Geometry | Khan Academy

1,700 views / 0 likes - added 8 years ago

Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson
02:37 Popular
Order By Length | Measurement And Data | Early Math | Khan Academy

1,674 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-length-intro/e/order-by-length?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesso
03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

1,668 views / 1 likes - added 8 years ago

Don'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/pre-algebra/fractions-pre-alg/multiplyin
03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,667 views / 0 likes - added 8 years ago

We'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/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

1,660 views / 0 likes - added 8 years ago

If 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
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy

1,659 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
01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy

1,655 views / 0 likes - added 8 years ago

Translation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa
02:57 Popular
Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy

1,649 views / 0 likes - added 8 years ago

A proportionality problem about eating bananas Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-identifying-proportional-rela
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

1,646 views / 1 likes - added 8 years ago

To 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
06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,640 views / 0 likes - added 8 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
02:57 Popular
Reading Bar Graph Examples | Measurement And Data | Early Math | Khan Academy

1,637 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-bar-graphs/e/solving-problems-with-bar-graphs-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat
13:34 Popular
Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

1,636 views / 0 likes - added 9 years ago

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

1,633 views / 0 likes - added 8 years ago

First 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/pre-algebra/applying-math-reasoning-topi
07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,628 views / 0 likes - added 8 years ago

How 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/pre-algebra/exponents-radicals/negative-exponents
01:31 Popular
Comparing Small Numbers On The Number Line | Counting | Early Math | Khan Academy

1,625 views / 0 likes - added 8 years ago

Learn to use a number line to compare numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/comparing-numbers-through-10?utm_source=Y
04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy

1,616 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
04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

1,604 views / 0 likes - added 8 years ago

Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa
03:38 Popular
Could Comets Be The Source Of Life On Earth? - Justin Dowd

1,598 views / 4 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/could-comets-be-the-source-of-life-on-earth-justin-dowd While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino a
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Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,593 views / 0 likes - added 8 years ago

Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the
09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,591 views / 1 likes - added 8 years ago

Using exponent rules to simplify radicals or square roots 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
04:19 Popular
Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

1,590 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
01:47 Popular
Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

1,578 views / 0 likes - added 8 years ago

Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction
02:54 Popular
BONUS: "FANBOYS," a mnemonic song | Conjunctions | Parts of speech| Khan Academy

1,577 views / 0 likes - added 6 years ago

FANBOYS" is a mnemonic device you can use to help remember the coordinating conjunctions of English. Team Grammar made this video, figuring that we couldn't very well cover conjunctions without writing a song, now could we? If you're moved to make your ow
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

1,569 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
03:03 Popular
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1,565 views / 0 likes - added 8 years ago

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1,563 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-compare-estimate-length/e/comparing-lengths?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t
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1,551 views / 0 likes - added 8 years ago

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1,543 views / 0 likes - added 8 years ago

Examining 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/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis
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1,542 views / 0 likes - added 9 years ago

Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCou
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1,532 views / 0 likes - added 8 years ago

We 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
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1,529 views / 0 likes - added 8 years ago

Need 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/pre-algebra/decimals-pre-alg/percent-intro-p
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1,526 views / 0 likes - added 8 years ago

Read and interpret a picture graph. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-picture-graphs/e/solving-problems-with-picture-graphs-1?utm_source=YT&utm
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1,525 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
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1,524 views / 0 likes - added 8 years ago

Learn 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/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin
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1,519 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
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1,514 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
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1,513 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
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1,505 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
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1,496 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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1,496 views / 1 likes - added 8 years ago

Learn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me
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1,495 views / 0 likes - added 8 years ago

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1,494 views / 0 likes - added 8 years ago

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1,490 views / 0 likes - added 8 years ago

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1,482 views / 0 likes - added 8 years ago

Learn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with
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1,475 views / 0 likes - added 8 years ago

Comparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca
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1,472 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
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1,456 views / 0 likes - added 8 years ago

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1,454 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
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1,450 views / 0 likes - added 8 years ago

Comparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&
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1,435 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
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1,433 views / 0 likes - added 8 years ago

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

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/adding-and-subtracting-on-the-number-line-word-problems?utm_source=YT&utm_medium=De
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1,426 views / 0 likes - added 8 years ago

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1,421 views / 0 likes - added 9 years ago

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1,411 views / 0 likes - added 8 years ago

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1,406 views / 1 likes - added 6 years ago

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1,400 views / 0 likes - added 8 years ago

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1,395 views / 0 likes - added 8 years ago

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

Learn 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/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?
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1,383 views / 0 likes - added 8 years ago

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1,381 views / 0 likes - added 8 years ago

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1,381 views / 0 likes - added 6 years ago

Chemistry is often considered one of the toughest subjects for a child at school. However, we managed to turn such a hard subject into fun! Subscribe to Bright Side : https://goo.gl/rQTJZz ------------------------------------------------------------------
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1,377 views / 0 likes - added 8 years ago

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1,375 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
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1,368 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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1,367 views / 0 likes - added 8 years ago

Learn that if we have 3 bananas, then we need 7 more bananas to make 10 bananas. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-make-10/e/making-ten-2?utm_
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1,366 views / 1 likes - added 8 years ago

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1,364 views / 0 likes - added 8 years ago

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1,356 views / 0 likes - added 8 years ago

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1,345 views / 0 likes - added 8 years ago

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1,341 views / 1 likes - added 8 years ago

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1,338 views / 0 likes - added 8 years ago

Learn 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
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1,331 views / 0 likes - added 8 years ago

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1,330 views / 0 likes - added 8 years ago

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1,326 views / 0 likes - added 8 years ago

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1,324 views / 0 likes - added 8 years ago

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1,320 views / 0 likes - added 8 years ago

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1,318 views / 0 likes - added 8 years ago

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1,317 views / 0 likes - added 8 years ago

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1,316 views / 0 likes - added 8 years ago

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1,298 views / 0 likes - added 8 years ago

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1,298 views / 1 likes - added 8 years ago

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1,296 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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1,293 views / 0 likes - added 9 years ago

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1,292 views / 0 likes - added 8 years ago

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1,288 views / 0 likes - added 8 years ago

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1,285 views / 0 likes - added 8 years ago

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1,285 views / 0 likes - added 6 years ago

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1,282 views / 0 likes - added 7 years ago

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1,280 views / 0 likes - added 8 years ago

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1,279 views / 0 likes - added 8 years ago

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1,270 views / 0 likes - added 8 years ago

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Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

1,269 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
02:19 Popular
How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

1,266 views / 0 likes - added 8 years ago

Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting
06:09 Popular
Recognizing Shapes | Geometry | Early Math | Khan Academy

1,264 views / 1 likes - added 8 years ago

Learn how to identify circles, triangles, squares, rectangles, rhombuses, and trapezoids. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-shapes/e/naming-sh
04:06 Popular
Making 5 | Basic Addition And Subtraction | Early Math | Khan Academy

1,262 views / 0 likes - added 8 years ago

Learn how to add numbers to make 5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-making-5-9/e/making-five?utm_source=YT&utm_medium=Desc&utm_campaign=Earl
03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

1,261 views / 0 likes - added 8 years ago

Once 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/pre-algebra/decimal
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,261 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
03:06 Popular
Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

1,259 views / 0 likes - added 8 years ago

Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,249 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
01:58 Popular
How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property

1,247 views / 0 likes - added 8 years ago

"Equivalent algebraic expressions exercise Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-equivalent-expressions/e/equivalent-forms-of-expressions-1?
02:55 Popular
Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

1,233 views / 0 likes - added 9 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
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,223 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
03:52 Popular
Ben Eater Eats The Numbers | Counting | Early Math | Khan Academy

1,223 views / 0 likes - added 8 years ago

Learn how to find which numbers are missing in a number grid. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-numbers-120/e/count-from-any-number?utm_source
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

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

Using 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/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,217 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
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,210 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
02:09 Popular
Teen Titans Go! | The Titans Academy Awards | Cartoon Network

1,202 views / 1 likes - added 6 years ago

Robin creates the Teen Titan Awards in an effort to get his teammates to clean up the Tower. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen Titans GO!: TEEN TITANS GO! is a comedy featuring the
12:59 Popular
DNA Structure and Replication: Crash Course Biology #10

1,197 views / 0 likes - added 9 years ago

Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series
04:20 Popular
Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

1,194 views / 0 likes - added 8 years ago

Learn how to convert fractions from tenths to hundredths using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/equivale
10:57 Popular
Equilibrium: Crash Course Chemistry #28

1,193 views / 0 likes - added 9 years ago

In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and Pressure. Also, h
01:55 Popular
Drawing Image Of Translation | Transformations | Geometry | Khan Academy

1,192 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

1,190 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
03:18 Popular
Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

1,189 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
01:31 Popular
Filling Rectangles With Squares | Geometry | Early Math | Khan Academy

1,183 views / 0 likes - added 8 years ago

Learn how to fill rectangles with squares. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/filling-rectangles-with-same-sized-squares?
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

1,183 views / 0 likes - added 8 years ago

It'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
04:10 Popular
Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

1,182 views / 0 likes - added 8 years ago

Learn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-
03:46 Popular
Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

1,181 views / 0 likes - added 8 years ago

Is the volume of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-ide
06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

1,181 views / 0 likes - added 8 years ago

Here'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/pre-algebra/factors-multiples/
03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

1,178 views / 0 likes - added 8 years ago

Multiplying 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
03:27 Popular
How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

1,177 views / 0 likes - added 8 years ago

Learn how to apply the distributive property to factor numerical expressions (no variables). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distribut
02:25 Popular
Triple Point of Water - Ice, Liquid, Vapor at the Same Time!

1,174 views / 0 likes - added 6 years ago

This was obtained with a standard vacuum pump. A petri dish with sulfuric acid is also included under the Bell Jar to serve as a sink for all the high energy water molecules that vaporize during the experiment.
06:55 Popular
Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

1,173 views / 1 likes - added 8 years ago

Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut
01:48 Popular
Using Reflection Tool | Transformations | Geometry | Khan Academy

1,172 views / 0 likes - added 8 years ago

Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp
08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

1,170 views / 0 likes - added 8 years ago

What 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
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,170 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
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,168 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
09:03 Popular
The Ideal Gas Law: Crash Course Chemistry #12

1,164 views / 0 likes - added 9 years ago

Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is they almost never beh
03:09 Popular
Making Line Plots | Measurement And Data | Early Math | Khan Academy

1,164 views / 0 likes - added 8 years ago

Making line plots. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-line-plots/e/creating-line-plots-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMa
04:01 Popular
Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

1,162 views / 0 likes - added 8 years ago

Learn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr
11:22 Popular
The Periodic Table: Crash Course Chemistry #4

1,161 views / 1 likes - added 9 years ago

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the
02:54 Popular
How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

1,155 views / 0 likes - added 8 years ago

Learn how to write inequalities to model real-world situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/e/inequalities-in-one-var
11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,153 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
05:37 Popular
Linear Models Example 2 | Algebra I | Khan Academy

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

Marbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?utm_s
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,152 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
02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy

1,149 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
04:50 Popular
The Chemistry of Fried Food

1,146 views / 0 likes - added 7 years ago

You know it, and you love it. Fried food! But there’s more to fried dishes than just plopping food into hot oil. You have to know what’s up with the food you’re cooking and what oils will work best for you dish. Hosted by: Olivia Gordon ---------- Need yo
04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

1,142 views / 0 likes - added 8 years ago

We'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
11:24 Popular
Enthalpy: Crash Course Chemistry #18

1,139 views / 0 likes - added 9 years ago

Energy is like the bestest best friend ever and yet, most of the time we take it for granted. Hank feels bad for our friend and wants us to learn more about it so that we can understand what it's trying to tell us - like that any bond between two atoms co
02:41 Popular
Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

1,138 views / 0 likes - added 8 years ago

Learn how to multiply (9 * 10^9) (-2 * 10^-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude?utm_source=YT&utm_m
04:28 Popular
Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,136 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
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,135 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
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,134 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
11:13 Popular
Redox Reactions: Crash Course Chemistry #10

1,133 views / 0 likes - added 9 years ago

All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from atom to atom, they c
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,132 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/
01:46 Popular
Teen Titans Go! | Chemistry Song | Cartoon Network

1,128 views / 1 likes - added 7 years ago

Cyborg morphs into Dr. Love and uses a smooth song, "Chemistry" to teach the Titans about romance in this clip from episode, "Permanent Record." CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen T
08:13 Popular
Points After Rotation | Transformations | Geometry | Khan Academy

1,125 views / 1 likes - added 8 years ago

Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w
08:38 Popular
Hydrocarbon Derivatives - Crash Course Chemistry #43

1,120 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

1,118 views / 0 likes - added 8 years ago

Now 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/pre-algebra
05:10 Popular
Prepositions Of Space | Prepositions | The Parts Of Speech | Grammar

1,117 views / 0 likes - added 8 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
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,114 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
02:35 Popular
Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

1,111 views / 0 likes - added 8 years ago

Learn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually
09:18 Popular
Doing Solids: Crash Course Chemistry #33

1,108 views / 0 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy

1,107 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
07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,101 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
03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

1,098 views / 0 likes - added 8 years ago

To 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/pre-al

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