Algebra

40:00
Algebra and Mathematics. Explained with easy to understand 3D animations.
/ 8 viewsExplains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.

01:43
How to Multiply With Parentheses
/ 16 viewsHow to Multiply With Parentheses. Part of the series: Math Help With Multiplying. Multiplying with parenthesis requires you to do things in a very specific order. Find out about multiplying with parenthesis with help from a mathematics educator in this fr

02:41
How to Substitute Known or Given Values for the Variables in an Algebraic Expression
/ 317 viewsSubstituting known or given values for a variable is required to complete some types of operations. Learn how to substitute known or given values for a variable with help from a mathematics tutor and educator in this free video clip.

01:59
Graphing Inequalities on a Number Line
/ 184 viewsWhen graphing inequalities on a number line, the number line should have 0 in the center and negative numbers on the left side, with positive numbers on the right. Graph inequalities, such as X is greater than 2, with tips from a math teacher in this free

03:04
Steps to Solve Quadradic Equations
/ 199 viewsSteps to Solve Quadradic Equations. Part of the series: Equations. Quadtratic equations can be easily solved by following a straightforward, stepbystep process. Learn the steps to solve quadratic equations with help from a mathematics tutor and educator

03:05
Four Steps to Solve a Absolute Value Equation
/ 147 viewsFour Steps to Solve a Absolute Value Equation. Part of the series: Help With Equations. Solving a absolute value equation requires you to complete four distinct steps. Learn the four steps to solve an absolute value equation with help from an experienced

02:53
Slope Equation for Intersecting Lines
/ 77 viewsSlope Equation for Intersecting Lines. Part of the series: Equations. Intersecting lines can be properly expressed using the correct slope equation. Find out about the slope equation for intersecting lines with help from a mathematics tutor and educator i

05:48
What Is The Area? "You Should Be Able To Solve This"
/ 30 viewsThanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi

04:51
Why can't you divide by zero?  TEDEd
/ 147 viewsCheck out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/whycantyoudividebyzero In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have
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02:59
Proof that 1 = 2.
/ 61 viewsUsing algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.

08:06
Catalan's Conjecture  Numberphile
/ 83 viewsWith Dr Holly Krieger from Murray Edwards College, University of Cambridge. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Numberphile videos with Dr Krieger: http:/

01:22
Mathemagic  (a+b)²=a²+2ab+b²  But Why?
/ 88 viewshttp://www.youtube.com/watch?v=sv2iHQIpZW8  Pythagoras Theorem explained by Bawa. One of the elementary formula in high school mathematics, most of us know this formula. But do we actually know why? In this video Khurshed Batliwala, fondly called as Bawa

02:29
Division with Zero  Maths Tricks #4
/ 89 viewsIn this video Bawa first explains what is division and then goes on to talk about division by zero. You will understand exactly why anything divided by zero is not defined, zero divided by anything is zero and zero divided by itself is indeterminate. This

04:23
The coin flip conundrum  PoShen Loh
/ 109 viewsCheck out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/thecoinflipconundrumposhenloh When you flip a coin to make a decision, there's an equal chance of getting heads and tails. What if you flipped two

01:20
Foiled Proof
/ 86 viewsMinutePhysics is on Google+  http://bit.ly/qzEwc6 And facebook  http://facebook.com/minutephysics And twitter  @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics  all in a minute! Music by Nat

05:26
Can you solve the dark coin riddle?  Lisa Winer
/ 386 viewsPractice more problemsolving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip You heard the travelers’ tales, you followed the maps, and now, you’ve finally located the dungeon contain
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04:28
Product rule  Logarithm derivatives example
/ 85 viewsLearn calculus with this product rule Derivative example with logarithms and exponential functions. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMee

14:22
What is 0 to the power of 0?
/ 102 viewsGreat lecture about what 0 to the power 0 really means.

08:28
Finding X and Y Intercepts on a Graph (TTP Video 31)
/ 104 viewsDefining and finding the X and Y intercepts when given a graph.

29:35
Graphing Lines by Solving for Y and Plotting Points (TTP Video 30)
/ 93 viewsAn extension of the previous video. Focus will be on development of more elegant graphing techniques.

26:58
Graphing Lines by Plotting Points (TTP Video 29)
/ 78 viewsHow to Graph lines by making tables and plotting points. Focus will be on developing better techniques.

13:24
Basic Linear Functions  Math Antics
/ 134 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

03:41
Example finding distance with Pythagorean theorem
/ 112 viewsExample finding distance with Pythagorean theorem

22:41
Calculating the optimal sphere packing density: with oranges
/ 131 viewsCheck out the corresponding video I made with Steve Mould for his channel. https://youtu.be/O3RsDIWB7s0 Thomas Hales’s proof of the Kepler Conjecture. http://annals.math.princeton.edu/wpcontent/uploads/annalsv162n3p01.pdf The Kepler Conjecture on wiki

12:55
Math Antics  The Pythagorean Theorem
/ 242 viewsLearn more at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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04:32
Math Word problems  Solving triangles
/ 162 viewsBecome an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

03:02
Can you solve the never ending square root?
/ 438 viewsThis never ending square root can actually be solve using basic alegra. Find the exact value of this never square root. This problem is much easier than it looks. My name is Chris and my passion is to teach math. Learning should never be a struggle which

05:47
Imaginary Numbers Are Real [Part 1: Introduction]
/ 183 viewsMore information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending our number system. Imaginary numbers are all about the discovery of numbers existing not in one dimen

05:38
Algebra word problem  System of Equations
/ 162 viewsSolve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My

07:25
Algebra Word Problem  Factoring
/ 143 viewsLearn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.

05:24
Math Challenge  Shrinking Pool Problem
/ 268 viewsThink you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho

04:09
Easy algebra word problem  But can you solve it?
/ 148 viewsTwo workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach

11:34
Algebra Basics: What Are Functions?  Math Antics
/ 247 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

03:48
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869
/ 224 viewsThe Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for $216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch

10:14
Algebra Basics: Graphing On The Coordinate Plane  Math Antics
/ 237 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

02:51
The Horse Horseshoe Boots Viral Algebra Problem  The Correct Answer Explained
/ 405 viewsA lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:

04:22
Impossible Algebra Problem
/ 408 viewsThis problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

01:57
I Will Read Your Mind  Math Magic Trick
/ 347 viewsPick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick
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03:33
Can You Solve This Intelligence Test? Viral Facebook Puzzle
/ 188 viewsIf 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I

11:54
Algebra Basics: The Distributive Property  Math Antics
/ 319 viewsThis video introduces the Distributive Property in its general algebraic form: a(b + c) = ab + ac It shows how this patten is helpful when working with polynomials. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEB

12:49
Scientific Notation Examples  PreAlgebra  Khan Academy
/ 169 viewsMore 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

03:00
Inverse Property Of Addition  Arithmetic Properties  PreAlgebra  Khan Academy
/ 201 viewsThe 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

03:36
Approximating Irrational Number Exercise Example  PreAlgebra  Khan Academy
/ 162 viewsPractice 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

02:48
Adding In Binary  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 197 viewsWatch 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/

03:21
Rational Number Word Problem With Fractions  PreAlgebra  Khan Academy
/ 168 viewsWord problems force us to put concepts to work using realworld 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

07:34
Hexadecimal Number System  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 177 viewsWatch 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

00:52
Reading Bar Charts: Basic Example  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 154 viewsLet'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/

02:36
Number Patterns: Seeing Relationships  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 150 viewsLaying 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

05:27
Converting Directly From Binary To Hexadecimal  PreAlgebra  Khan Academy
/ 154 viewsWatch 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

04:00
Finding Factors And Multiples  Factors And Multiples  PreAlgebra  Khan Academy
/ 256 viewsTo 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

03:53
Plotting Basic Fractions On The Number Line  Fractions  PreAlgebra  Khan Academy
/ 188 viewsPractice 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

02:35
Dividing Whole Numbers And Fractions: Studying  Fractions  PreAlgebra  Khan Academy
/ 178 viewsSolve 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

02:36
Converting Decimals To Percents  Decimals  PreAlgebra  Khan Academy
/ 179 viewsNeed 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

03:43
Converting From Decimal To Hexadecimal Representation  PreAlgebra  Khan Academy
/ 149 viewsWatch 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
/ 183 viewsWatch 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

03:45
Visualizing Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
/ 198 viewsTo 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

04:51
Cube Root Of A Nonperfect Cube  PreAlgebra  Khan Academy
/ 186 viewsPractice 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

02:27
Inequality Word Problem: One Variable  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 160 viewsThis 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

09:29
Dividing Decimals With Hundredths Example 3  Decimals  PreAlgebra  Khan Academy
/ 159 viewsThe 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

06:56
Exponents And Powers Of Zero Patterns  PreAlgebra  Khan Academy
/ 163 viewsNow 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

09:15
Mixed Numbers And Improper Fractions  Fractions  PreAlgebra  Khan Academy
/ 177 viewsConverting 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

07:51
Volume: How To Measure It  Measurement  PreAlgebra  Khan Academy
/ 132 viewsVolume 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

04:25
Multiplying Challenging Decimals  Decimals  PreAlgebra  Khan Academy
/ 151 viewsSometimes 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

04:31
Number Patterns: Interpreting Relationships  PreAlgebra  Khan Academy
/ 146 viewsExamining 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

02:32
Dividing Whole Numbers And Fractions: Potpourri  Fractions  PreAlgebra  Khan Academy
/ 170 viewsSolve 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

04:33
Multiplying Negative And Positive Fractions  Fractions  PreAlgebra  Khan Academy
/ 172 viewsSee 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_

04:17
Introduction To Area And Unit Squares  Measurement  PreAlgebra  Khan Academy
/ 150 viewsCover 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

03:50
Introduction To Multiplying Decimals  Decimals  PreAlgebra  Khan Academy
/ 183 viewsMultiplying 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

01:34
Solving Ratio Problems With Graph  PreAlgebra  Khan Academy
/ 163 viewsIn 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

09:50
Adding And Subtracting Fractions  Fractions  PreAlgebra  Khan Academy
/ 233 viewsHow 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

08:30
Multiplying And Dividing Negative Numbers  PreAlgebra  Khan Academy
/ 150 viewsMultiplying 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

02:07
Percentage Of A Whole Number  Decimals  PreAlgebra  Khan Academy
/ 127 viewsWe 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

06:29
Multiplying Decimals: Place Value And Reordering  Decimals  PreAlgebra  Khan Academy
/ 188 viewsWe 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/

03:28
Inequality Word Problems  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 190 viewsWe'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

03:40
Multistep Word Problem With Decimals And Subtraction  PreAlgebra  Khan Academy
/ 208 viewsFirst 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

06:55
What Are Variables, Expressions, And Equations?  Introduction To Algebra  Algebra I  Khan Academy
/ 152 viewsLearn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introductiontoalgebra/feelforequationsandinequalit/e/dependentandindependentvariable

09:43
Exponent Rules Part 1  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
/ 171 viewsIntroduction 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

09:36
Negative Numbers Introduction  Negative Numbers And Absolute Value  PreAlgebra  Khan Academy
/ 141 viewsMysterious 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.

10:00
Introduction To Number Systems And Binary  PreAlgebra  Khan Academy
/ 153 viewsWatch 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.

02:49
Percent Word Problem Example 2  Decimals  PreAlgebra  Khan Academy
/ 172 viewsIt'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

08:34
LCM And GCF Word Problems  Factors And Multiples  PreAlgebra  Khan Academy
/ 199 viewsHere 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

05:05
Solving Ratio Problems With Tables Example 1  PreAlgebra  Khan Academy
/ 132 viewsWe'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

03:38
Math Patterns Example 1  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 144 viewsPart 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

02:04
Ratio Word Problem: Boys To Girls  PreAlgebra  Khan Academy
/ 149 viewsIn 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

09:17
Unit Conversion Within The Metric System  PreAlgebra  Khan Academy
/ 134 viewsMetric 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

09:16
Adding/subtracting Negative Numbers  PreAlgebra  Khan Academy
/ 176 viewsAdding 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=

04:16
Least Common Multiple Exercise  Factors And Multiples  PreAlgebra  Khan Academy
/ 153 viewsWe'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

03:03
Introduction To Exponents  PreAlgebra  Khan Academy
/ 151 viewsTaking 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

06:20
Greatest Common Factor Explained  Factors And Multiples  PreAlgebra  Khan Academy
/ 149 viewsHere'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/

03:09
Simplifying Square Roots  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
/ 198 viewsPractice 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

06:14
How To Plot Inequalities On A Number Line  PreAlgebra  Khan Academy
/ 146 viewsLearn 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

01:11
Subtracting Decimals: Example 1  Decimals  PreAlgebra  Khan Academy
/ 151 viewsSubtracting 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

03:08
Multiplying Unit Fractions And Whole Numbers  Fractions  PreAlgebra  Khan Academy
/ 179 viewsDon'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

02:39
Comparing Decimals: Ordering From Least To Greatest  Decimals  PreAlgebra  Khan Academy
/ 167 viewsThis 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/

05:34
Multiplying Positive And Negative Numbers  PreAlgebra  Khan Academy
/ 131 viewsLearn 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?

06:17
Solving Percent Problems  Decimals  PreAlgebra  Khan Academy
/ 165 viewsWe'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

09:45
Simplifying Radicals  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
/ 158 viewsUsing 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

08:13
Prime Numbers  Factors And Multiples  PreAlgebra  Khan Academy
/ 170 viewsWhat 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

03:21
Introduction To Perimeter  Measurement  PreAlgebra  Khan Academy
/ 144 viewsFind 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

05:41
Math Patterns Example 2  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
/ 147 viewsWe 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

07:14
Negative Exponents  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
/ 151 viewsHow 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

04:20
Dividing A Whole Number By A Decimal  Decimals  PreAlgebra  Khan Academy
/ 174 viewsWhen 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

14:13
Introduction To Ratios  Ratios, Proportions, Units, And Rates  PreAlgebra  Khan Academy
/ 195 viewsWhat 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

20:48
Introduction To Scientific Notation  PreAlgebra  Khan Academy
/ 196 viewsIntroduction 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

05:51
Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
/ 181 viewsIntroduces 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

05:20
Order Of Operations: PEMDAS  Arithmetic Properties  PreAlgebra  Khan Academy
/ 167 viewsWork 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

09:23
Converting Fractions To Decimals  Decimals  PreAlgebra  Khan Academy
/ 208 viewsHow 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

04:24
Example Of Subtracting Fractions With Unlike Denominators  Fractions  PreAlgebra  Khan Academy
/ 171 viewsIf 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

05:42
Understanding Division Of Fractions  Fractions  PreAlgebra  Khan Academy
/ 146 viewsUsing 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/

03:33
Finding A Percentage  Decimals  PreAlgebra  Khan Academy
/ 178 viewsOnce 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

04:07
Adding And Subtracting Negative Numbers  PreAlgebra  Khan Academy
/ 197 viewsLearn 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

07:18
Origins Of Algebra  Introduction To Algebra  Algebra I  Khan Academy
/ 195 viewsWhere 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

07:00
Abstractness  Introduction To Algebra  Algebra I  Khan Academy
/ 128 viewsThe 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

05:06
Lorentz Transformation For Change In Coordinates
/ 202 viewsLorentz transformation for change in coordinates

06:08
Deriving Lorentz Transformation Part 2
/ 154 viewsContinuing the algebra to solve for the Lorentz factor.

10:55
Lorentz Transformation Derivation Part 1
/ 187 viewsUsing symmetry of frames of reference and the absolute velocity of the speed of light (regardless of frame of reference) to begin to solve for the Lorentz factor.

11:22
Lorentz Transformation Derivation Part 3
/ 157 viewsFinishing our Lorentz transformation derivation for t'.

10:43
Algebra Basics: Simplifying Polynomials  Math Antics
/ 417 viewsIn this video, we explain the concept of "like terms" and show how polynomials can be simplified by combining like terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1NG Learn More at
Featured 
08:04
Galilean Transformation And Contradictions With Light
/ 150 viewsGalilean transformation and contradictions with light

07:15
Deriving Formula For Sum Of Finite Geometric Series
/ 177 viewsDeriving formula for sum of finite geometric series

05:21
Finding Sum From Recursive Definition Of Sequence
/ 303 viewsFinding sum from recursive definition of sequence

02:38
Graphing Linear Equations — Harder Example  Math  New SAT  Khan Academy
/ 187 viewsWatch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatheartofalgebra/v/satmathh3easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

03:30
Quadratic And Exponential Word Problems — Basic Example  Math  New SAT  Khan Academy
/ 533 viewsWatch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp1harder?utm_source=YT&utm_medium=Desc&utm_campaign=

09:40
Quadratic And Exponential Word Problems — Harder Example  Math  New SAT  Khan Academy
/ 283 viewsWatch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp2easier?utm_source=YT&utm_medium=Desc&utm_campaign

03:42
Manipulating Quadratic And Exponential Expressions — Basic Example  Math  New SAT  Khan Academy
/ 206 viewsWatch 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

07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example  Math  New SAT  Khan Academy
/ 742 viewsWatch 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

02:33
Radicals And Rational Exponents — Harder Example  Math  New SAT  Khan Academy
/ 215 viewsWatch Sal work through a harder Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp7easier?utm_source=YT&utm_medium=Desc&utm_campaig

01:16
Solving Quadratic Equations — Basic Example  Math  New SAT  Khan Academy
/ 171 viewsWatch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp5harder?utm_source=YT&utm_medium=Desc&utm_campaign=New

05:39
Solving Quadratic Equations — Harder Example  Math  New SAT  Khan Academy
/ 209 viewsWatch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp10easier?utm_source=YT&utm_medium=Desc&utm_campaign=N

02:57
Operations With Polynomials — Basic Example  Math  New SAT  Khan Academy
/ 193 viewsWatch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp6harder?utm_source=YT&utm_medium=Desc&utm_campaign=New

02:39
Operations With Polynomials — Harder Example  Math  New SAT  Khan Academy
/ 201 viewsWatch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp11easier?utm_source=YT&utm_medium=Desc&utm_campaign=N

01:22
Radical And Rational Equations — Basic Example  Math  New SAT  Khan Academy
/ 172 viewsWatch 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=

04:50
Linear And Quadratic Systems — Basic Example  Math  New SAT  Khan Academy
/ 177 viewsWatch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp8harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne

03:22
Linear And Quadratic Systems — Harder Example  Math  New SAT  Khan Academy
/ 160 viewsWatch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp4easier?utm_source=YT&utm_medium=Desc&utm_campaign=N

03:06
Operations With Rational Expressions — Harder Example  Math  New SAT  Khan Academy
/ 158 viewsWatch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp6easier?utm_source=YT&utm_medium=Desc&utm_ca

05:55
Interpreting Nonlinear Expressions — Basic Example  Math  New SAT  Khan Academy
/ 532 viewsWatch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp10harder?utm_source=YT&utm_medium=Desc&utm_camp

03:13
Interpreting Nonlinear Expressions — Harder Example  Math  New SAT  Khan Academy
/ 177 viewsWatch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp1easier?utm_source=YT&utm_medium=Desc&utm_camp

01:36
Polynomial Factors And Graphs — Basic Example  Math  New SAT  Khan Academy
/ 187 viewsWatch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp11harder?utm_source=YT&utm_medium=Desc&utm_campaign=

01:15
Polynomial Factors And Graphs — Harder Example  Math  New SAT  Khan Academy
/ 226 viewsWatch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp12easier?utm_source=YT&utm_medium=Desc&utm_campaign

02:22
Nonlinear Equation Graphs — Basic Example  Math  New SAT  Khan Academy
/ 152 viewsWatch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp12harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS

02:26
Function Notation — Basic Example  Math  New SAT  Khan Academy
/ 188 viewsWatch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp13harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

02:38
Function Notation — Harder Example  Math  New SAT  Khan Academy
/ 187 viewsWatch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatproblemsolvingdataanalysis/v/satmathq1easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

03:59
Volume Word Problems — Basic Example  Math  New SAT  Khan Academy
/ 172 viewsWatch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths1harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous

02:50
Complex Numbers — Basic Example  Math  New SAT  Khan Academy
/ 205 viewsWatch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths3harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

05:25
Complex Numbers — Harder Example  Math  New SAT  Khan Academy
/ 207 viewsWatch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsattipsplanning/newsataboutsat/v/walkthroughsatpracticeplatform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi

08:21
Twovariable Linear Equations And Their Graphs  Algebra I  Khan Academy
/ 152 viewsIntroduction to 2variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/v/checkingorderedpairsolutionstoequatio

07:11
Graphing Solutions To Twovariable Linear Equations Example 2  Algebra I  Khan Academy
/ 174 viewsGraphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/graphingsolutio

02:35
Checking Ordered Pair Solutions To Equations Example 1  Algebra I  Khan Academy
/ 153 viewsChecking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?ut

02:27
Checking Ordered Pair Solutions To Equations Example 2  Algebra I  Khan Academy
/ 149 viewsSecond example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?utm_so

02:34
Converting From Standard Form To Slopeintercept Form  Algebra I  Khan Academy
/ 212 viewsStandard form to slopeintercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/standardform/e/slopefromanequationinstandardform?utm_source=Y

02:40
Interpreting Linear Formulas Example 1  Algebra I  Khan Academy
/ 148 viewsInterpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/interpreting_linear_functions/e/interpretingfeaturesoflinearfunctions?ut

02:35
Interpreting Linear Formulas Example 2  Algebra I  Khan Academy
/ 136 viewsLinear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/interpreting_linear_functions/e/interpretingfeaturesoflinearfunction

05:30
Graphing Linear Functions Example 1  Algebra I  Khan Academy
/ 154 viewsLearn 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/twovarlinearequationsandintro

03:12
Graphing Linear Functions Example 2  Algebra I  Khan Academy
/ 170 viewsGraphing equation for filling pool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/graphinglinearfunctionswordproblems?utm

06:35
Constructing Linear Functions Example 1  Algebra I  Khan Academy
/ 176 viewsLinear model for ice sheet thickness Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructinglinearfunctionswordproble

08:23
Constructing Linear Functions Example 2  Algebra I  Khan Academy
/ 134 viewsLinear model for painting Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructinglinearfunctionswordproblems?utm_sour

08:52
Linear Models Example 1  Algebra I  Khan Academy
/ 156 viewsLinear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructingandinterpretinglinearfunctions?u

05:37
Linear Models Example 2  Algebra I  Khan Academy
/ 138 viewsMarbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructingandinterpretinglinearfunctions?utm_s

01:07
How To Match Function Input To Output Given The Graph (example)  Algebra I  Khan Academy
/ 149 viewsSal finds the input value for which g(x)=2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebrafunctions/functioninputsandoutputs/e/functions_matching_inputs_outputs?utm_so

01:49
How To Find Two Function Inputs With The Same Output Given Graph (example)  Khan Academy
/ 171 viewsSal 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/algebrafunctions/functioninputsandoutputs/e/functions_matching_inp

01:40
How To Match Function Input To Output Given The Formula (example)  Algebra I  Khan Academy
/ 138 viewsSal finds the input value for which f(t)=13, given that f(t)=2t+5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebrafunctions/functioninputsandoutputs/e/functions_matching_inputs_outputs?utm_

03:24
How To Interpret An Expression With Function Notation  Functions  Algebra I  Khan Academy
/ 142 viewsSal interprets the expression M(30)M(0)=100 where M models an account balance over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebrafunctions/interpretingfunctionnotation/e/functionnota

03:04
How To Create A Function From An Equation (example)  Functions  Algebra I  Khan Academy
/ 148 viewsSal find the formula of a function that, given an input value "b," outputs a value "a" that satisfies the equation 4a+7b=52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebrafunctions/functions

02:36
How To Interpret An Expression With Function Notation  Functions  Algebra I  Khan Academy
/ 160 viewsSal 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/algebrafunctions/interpretingfunctionnotation

05:09
Converting From Slopeintercept To Standard Form  Algebra I  Khan Academy
/ 195 viewsConverting from slopeintercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/standardform/e/converting_between_slope_intercept_and_st

11:09
Algebra Basics: What Are Polynomials?  Math Antics
/ 218 viewsThis video introduces students to polynomials and terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1NG Learn More at mathantics.com Visit http://www.mathantics.com for more Free math

10:29
Algebra Basics: Solving 2Step Equations  Math Antics
/ 266 viewsThere was a confusing example in the original video. This is the updated version. This video shows students how to solve 2step Algebra equations involving one addition or subtraction and one multiplication or division. Part of the Algebra Basics Series:

10:57
Algebra Basics: What Are Polynomials?  Math Antics
/ 237 viewsPart of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1NG Previous video: https://youtu.be/S3IEeCyUWWA This video introduces students to polynomials and terms. Learn More at mathantics.com Visit
Featured 
03:47
A Trip Through Space To Calculate Distance  Heather Tunnell
/ 137 viewsView full lesson: http://ed.ted.com/lessons/atripthroughspacetocalculatedistanceheathertunnell Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT  or the equation Distance = Rate x Time  we

04:32
The Zeroth Power  Arithmetic Operations  6th Grade  Khan Academy
/ 172 viewsLearn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6tharithmeticoperations/cc6thexponents/e/positive_and_zero_exponents?utm_source=Y

03:27
How To Evaluate Expressions In Two Variables With Decimals And Fractions  6th Grade  Khan Academy
/ 257 viewsLearn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6t

05:15
Thinking About The Changing Values Of Variables And Expressions  6th Grade  Khan Academy
/ 151 viewsExplore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100x, 5/x + 5, and (3y)/(2y). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacad

02:37
How To Write Basic Expressions With Variables  6th Grade  Khan Academy
/ 175 viewsLearn how to write basic algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thwritingexpressions/e/writingexpressionswithvariabl

03:09
How To Write Basic Algebraic Expressions From Word Problems  6th Grade  Khan Academy
/ 207 viewsLearn how to write basic expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6th

04:42
How To Write Algebraic Expressions From Word Problems  6th Grade  Khan Academy
/ 280 viewsLearn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thalge

06:29
How To Use The Distributive Property With Variables  6th Grade  Khan Academy
/ 177 viewsLearn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thdistributiveproperty/e/distrib

01:58
How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property
/ 205 views"Equivalent algebraic expressions exercise Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thequivalentexpressions/e/equivalentformsofexpressions1?

04:21
How To Write Onestep Equations For Word Problems  6th Grade  Khan Academy
/ 276 viewsLearn how to write basic equations to model realworld situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thequationsandinequalities/cc6thsuperyoga/e/equationsinonevari

04:05
How To Find Mistakes In One Step Equations  6th Grade  Khan Academy
/ 176 viewsLearn how to spot mistakes in someone else's work as they attempt to solve onestep equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thequationsandinequalities/cc6thonest

02:19
How To Determine The Domain Of A Modeling Function (example With A Function)  Khan Academy
/ 159 viewsSal 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/algebrafunctions/determiningthedomainofafunction/e/interpreting

04:26
Shared Binomial Factor Between Perfect Square And Difference Of Squares
/ 188 viewsShared binomial factor between perfect square and difference of squares

02:39
Solving For Constants In Perfect Square Polynomial
/ 158 viewsSolving for constants in perfect square polynomial

01:02
Integers : Arranging Integers From Smallest To Largest On Number Line
/ 231 viewsIntegers : Arranging Integers from Smallest to Largest on Number Line. Here we look at arranging some integers from smallest to largest on a number line.

02:06
Using A Number Line To Write An Addition Of Integer Statement
/ 155 viewsUsing a Numberline to Write an Addition of Integer Statement. Here we look at an example of using a number line and the notion of direction to help visualize what is happening when adding integers.

01:10
Addition / Adding Integers By Using A Number Line
/ 230 viewsAddition / Adding Integers by Using a Number Line. Using a number line is one way to think about what we are doing when adding / subtracting integers. I like it as it provides a nice visual representation of what we are doing. For more free math videos, v

04:45
Addition Of Integers
/ 128 viewsAddition of Integers. Just a way to visualize addition of integers. What does it mean to add a negative number? Here we use a number line and direction to help us think about it.

01:39
Subtracting / Subtraction Of Integers
/ 168 viewsSubtracting / Subtraction of Integers. Here we look at some examples of subtracting integers. In these examples, we create a subtraction statement from a number line. For more free math videos, visithttp://JustMathTutoring.com

02:24
Subtracting / Subtraction Of Integers  How I Thought About It As A Kid (and An Adult!)
/ 167 viewsSubtracting / Subtraction of Integers. When my mind was being ' blown ' over the subtraction of integers, this is the method that I came up with in my head that made sense for me. It is still the way that I deal with these types of problems mentally. I am

02:08
Subtraction / Subtracting Integers  Word Problem
/ 312 viewsSubtraction / Subtracting Integers  Word Problem. Here I look at a little word problem dealing with adding and subtracting integers.

01:34
Dividing / Division Of Integers
/ 164 viewsDividing / Division of Integers. In this example, I do some basic examples of dividing integers. For more free math videos, visithttp://JustMathTutoring.com

01:46
Multiplication / Multiplying Integers
/ 188 viewsMultiplication / Multiplying Integers. Here I look at a couple of quick examples dealing with multiplication of integers. The only things we have be really careful of is the sign we get after multiplying. Otherwise, it is the same as multiplying all posit

04:54
Multiplying Binomials To Get Difference Of Squares
/ 163 viewsMultiplying binomials to get difference of squares