Algebra

11:56
The Nescaf Equation (43 coffee beans) - Numberphile

6 months ago / 55 views

Featuring Cliff Stoll. Check https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode sponsor) More links & stuff in full description below ↓↓↓ Cliff scrutinizes the lyrics of a Nescafé adver
14:11
Algebra Basics: Inequalities In Algebra - Math Antics

9 months ago / 114 views

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
05:41
How To Prove The Quadratic Formula By Completing The Square

1 year ago / 177 views

This algebra video tutorial explains how to prove the quadratic formula by completing square.My Website: https://www.video-tutor.netAmazon Store: https://www.amazon.com/shop/theorganicchemistrytutorSubscribe:https://www.youtube.com/channel/UCEWpbFLzoYGPfu
05:42
Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

1 year ago / 296 views

Practice more problem-solving at https://brilliant.org/TedEd--According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dunge
13:53
Math Antics - Number Patterns

1 year ago / 361 views

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
13:05
How To Graph Equations in Algebra

2 years ago / 342 views

This algebra video tutorial explains how to graph equations such as linear equations in slope intercept form & standard form as well as quadratic functions using transformations, factoring, & setting up a data table.Algebra Textbooks:https://amzn.to/3cetP
10:52
Compound Interest

2 years ago / 198 views

This finance video tutorial explains how to calculate the compound interest on an annual, quarterly, and monthly basis.My Website: https://www.video-tutor.netPatreon: https://www.patreon.com/MathScienceTutorAmazon Store: https://www.amazon.com/shop/theorg
15:21
Why pi^pi^pi^pi could be an integer (for all we know!).

2 years ago / 242 views

Check out the Jane Street programs if you're considering a mathematics/finance/programming job: https://www.janestreet.com/join-jane-street/our-programs/ Here is Tim Gowers's reply to the original tweet: https://twitter.com/wtgowers/status/134621215158170
13:46 Popular
Algebra Basics: Laws Of Exponents - Math Antics

2 years ago / 1,092 views

This is a re-upload to correct a minor math typo.Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
12:01
Algebra Basics: Slope And Distance - Math Antics

2 years ago / 677 views

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
06:45
How to Read Math

3 years ago / 387 views

Baffled by equations, well no more! Continue learning at this video's sponsor https://brilliant.org/dosLots of people find mathematical equations intimidating because they don't make sense. But they are not hard to understand if you follow a few steps, an
03:49
A Different Way to Solve Quadratic Equations

3 years ago / 545 views

Here at Expii, we love thinking about new ways to solve any problem, and this is our newest adventure: solving quadratic equations differently. This method takes out the guesswork, is simple, and is easier to understand than what is typically written in t
13:15 Popular
Math Antics - Absolute Value

3 years ago / 1,049 views

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
21:42 Popular
LET'S PLAY SUPER MARIO QUADRATICS

3 years ago / 1,314 views

PLAY SUPER MARIO QUADRATICS: https://teacher.desmos.com/activitybuilder/custom/5c7614041509d870d4838bfdDESMOS: https://www.desmos.com/John Rowe's tweet: https://twitter.com/MrJohnRowe/status/1105772206414413824Subscribe to quarterly deliveries of my favor
07:20
How To Make A Cartesian Diver

3 years ago / 418 views

Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/https://twitter.com/tweetsaucehttps://www.instagram.com/electricpants/Vsauce PO Box: PO Box 33168 L.A. CA 90033MATERIALS: empty squeezable plastic water bottl
14:28 Popular
Math Antics - Scientific Notation

3 years ago / 862 views

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
09:31
Infinite Series - Numberphile

3 years ago / 372 views

Fields Medallist Charlie Fefferman talks about some classic infinite series. More links & stuff in full description below ↓↓↓ Charles Fefferman at Princeton: https://www.math.princeton.edu/people/charles-fefferman Numberphile is supported by the Mathemati
11:09 Popular
Math Antics - Exponents and Square Roots

4 years ago / 1,024 views

This is a re-upload. It contains only minor changes to terminology. To learn more about Math Antics, visit www.mathantics.com
18:05
This is what an 1869 MIT entrance exam looks like

4 years ago / 466 views

Explore the foundation of algebra at https://brilliant.org/tibees/ View this exam:https://libraries.mit.edu/archives/exhibits/exam/algebra.html MIT exam archives: https://libraries.mit.edu/archives/exhibits/exam/ In this video I look at the algebra sectio
10:21
Proving 1=2 Bob Ross Style

4 years ago / 478 views

Start learning new skills today at: https://skl.sh/tibees2 Todays episode looks at one 'proof' of 1=2 and points out its flaws. The moral is that you must make sure you are not accidentally dividing by zero in your calculations and also that you should al
40:00
Algebra and Mathematics. Explained with easy to understand 3D animations.

4 years ago / 397 views

Explains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.
01:43
How to Multiply With Parentheses

4 years ago / 331 views

How 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 Popular
How to Substitute Known or Given Values for the Variables in an Algebraic Expression

4 years ago / 940 views

Substituting 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 Popular
Graphing Inequalities on a Number Line

4 years ago / 817 views

When 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 Popular
Steps to Solve Quadradic Equations

4 years ago / 726 views

Steps to Solve Quadradic Equations. Part of the series: Equations. Quadtratic equations can be easily solved by following a straightforward, step-by-step process. Learn the steps to solve quadratic equations with help from a mathematics tutor and educator
03:05 Popular
Four Steps to Solve a Absolute Value Equation

4 years ago / 830 views

Four 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

4 years ago / 552 views

Slope 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"

4 years ago / 404 views

Thanks 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 Popular
Why can't you divide by zero? - TED-Ed

4 years ago / 1,126 views

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zero 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.

4 years ago / 427 views

Using 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

5 years ago / 425 views

With 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:/
02:29 Popular
Division with Zero - Maths Tricks #4

5 years ago / 1,264 views

In 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 - Po-Shen Loh

5 years ago / 589 views

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-coin-flip-conundrum-po-shen-loh 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

5 years ago / 432 views

MinutePhysics 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 Popular
Can you solve the dark coin riddle? - Lisa Winer

5 years ago / 1,120 views

Practice more problem-solving 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 Popular
Product rule - Logarithm derivatives example

5 years ago / 748 views

Learn 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?

5 years ago / 455 views

Great lecture about what 0 to the power 0 really means.
08:28
Finding X and Y Intercepts on a Graph (TTP Video 31)

5 years ago / 443 views

Defining 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)

5 years ago / 410 views

An 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)

5 years ago / 450 views

How to Graph lines by making tables and plotting points. Focus will be on developing better techniques.
13:24 Popular
Basic Linear Functions - Math Antics

5 years ago / 1,535 views

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
03:48
Pythagorean theorem with right triangle

5 years ago / 548 views

Pythagorean theorem with right triangle
03:41
Example finding distance with Pythagorean theorem

5 years ago / 567 views

Example finding distance with Pythagorean theorem
22:41
Calculating the optimal sphere packing density: with oranges

5 years ago / 543 views

Check 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/wp-content/uploads/annals-v162-n3-p01.pdf The Kepler Conjecture on wiki
12:55 Popular
Math Antics - The Pythagorean Theorem

5 years ago / 1,773 views

Learn 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 Popular
Math Word problems - Solving triangles

5 years ago / 1,125 views

Become 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 Popular
Can you solve the never ending square root?

6 years ago / 2,589 views

This 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 Popular
Imaginary Numbers Are Real [Part 1: Introduction]

6 years ago / 1,254 views

More 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 Popular
Algebra word problem - System of Equations

6 years ago / 1,320 views

Solve 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 Popular
Algebra Word Problem - Factoring

6 years ago / 1,251 views

Learn 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 Popular
Math Challenge - Shrinking Pool Problem

6 years ago / 996 views

Think 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 Popular
Easy algebra word problem - But can you solve it?

6 years ago / 1,160 views

Two 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 Popular
Algebra Basics: What Are Functions? - Math Antics

6 years ago / 1,720 views

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
03:48 Popular
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

6 years ago / 1,147 views

The 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 Popular
Algebra Basics: Graphing On The Coordinate Plane - Math Antics

6 years ago / 2,270 views

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
02:51 Popular
The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

6 years ago / 1,540 views

A 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 Popular
Impossible Algebra Problem

6 years ago / 1,107 views

This 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/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis
01:57 Popular
I Will Read Your Mind - Math Magic Trick

6 years ago / 1,039 views

Pick 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

6 years ago / 597 views

If 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 Popular
Algebra Basics: The Distributive Property - Math Antics

6 years ago / 2,582 views

This 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
06:52
Least Common Multiples Of Polynomials

7 years ago / 635 views

Least common multiples of polynomials
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

7 years ago / 874 views

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
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

7 years ago / 1,198 views

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
03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

7 years ago / 1,284 views

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
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 837 views

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,372 views

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

7 years ago / 877 views

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
00:52 Popular
Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 1,129 views

Let'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/pre-algebra/applying-math-reasoning-topic/
02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 937 views

Laying 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/pre-algebra/applyin
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

7 years ago / 1,002 views

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

7 years ago / 1,372 views

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
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,135 views

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
02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,544 views

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
02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,141 views

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
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

7 years ago / 1,183 views

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

7 years ago / 1,264 views

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

7 years ago / 971 views

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
04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

7 years ago / 1,105 views

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem
02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 860 views

This 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/pre-algebra/applying-math-reasoning-to
09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

7 years ago / 894 views

The 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/pre-algebra/decimals-pre-alg/dividing-d
06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

7 years ago / 908 views

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
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,247 views

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
07:51
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

7 years ago / 628 views

Volume 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 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

7 years ago / 780 views

Sometimes 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 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

7 years ago / 1,277 views

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

7 years ago / 1,223 views

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
04:33
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

7 years ago / 680 views

See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_
04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

7 years ago / 1,264 views

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
03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

7 years ago / 956 views

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

7 years ago / 1,431 views

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

7 years ago / 1,495 views

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
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

7 years ago / 1,317 views

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
02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,234 views

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
06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,097 views

We 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 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 1,110 views

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
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

7 years ago / 1,137 views

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
06:55 Popular
What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

7 years ago / 1,285 views

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
09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

7 years ago / 1,307 views

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
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

7 years ago / 1,507 views

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.
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

7 years ago / 528 views

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

7 years ago / 935 views

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
08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

7 years ago / 1,227 views

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
05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

7 years ago / 717 views

We'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/pre-algebra/r
03:38
Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 623 views

Part 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/math-patterns?utm_source=YT&utm_mediu
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

7 years ago / 1,353 views

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
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

7 years ago / 1,084 views

Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=
04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

7 years ago / 926 views

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
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy

7 years ago / 1,041 views

Taking 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 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

7 years ago / 980 views

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/
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

7 years ago / 1,421 views

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
06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

7 years ago / 1,230 views

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
01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

7 years ago / 884 views

Subtracting 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/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting
03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,397 views

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
02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,339 views

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/
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

7 years ago / 1,112 views

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?
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

7 years ago / 725 views

We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the
09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

7 years ago / 1,068 views

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
08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

7 years ago / 890 views

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
03:21
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

7 years ago / 607 views

Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa
05:41
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

7 years ago / 626 views

We 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/math-patterns?utm_source=YT&utm_medium=Desc&utm
07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

7 years ago / 1,132 views

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
04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,205 views

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
14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

7 years ago / 1,267 views

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
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

7 years ago / 1,307 views

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
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,522 views

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
05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

7 years ago / 1,257 views

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
09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,448 views

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
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

7 years ago / 1,157 views

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
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

7 years ago / 929 views

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/
03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

7 years ago / 1,002 views

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
04:07 Popular
Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

7 years ago / 1,135 views

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

7 years ago / 845 views

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
07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

7 years ago / 533 views

The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
05:06
Lorentz Transformation For Change In Coordinates

7 years ago / 588 views

Lorentz transformation for change in coordinates
06:08
Deriving Lorentz Transformation Part 2

7 years ago / 496 views

Continuing the algebra to solve for the Lorentz factor.
10:55
Lorentz Transformation Derivation Part 1

7 years ago / 650 views

Using 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

7 years ago / 487 views

Finishing our Lorentz transformation derivation for t'.
10:43 Popular
Algebra Basics: Simplifying Polynomials - Math Antics

7 years ago / 2,365 views

In 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_Bss1N-G Learn More at
Featured
09:38
Visualizing Multiple Newtonian Space Time Diagrams

7 years ago / 442 views
07:55
Starting To Set Up A Newtonian Space Time Diagram

7 years ago / 463 views
08:04
Galilean Transformation And Contradictions With Light

7 years ago / 510 views

Galilean transformation and contradictions with light
07:15
Deriving Formula For Sum Of Finite Geometric Series

7 years ago / 552 views

Deriving formula for sum of finite geometric series
07:02
Evaluating Finite Arithmetic Series

7 years ago / 563 views

Evaluating finite arithmetic series
06:47
Evaluating Arithmetic Sum Example

7 years ago / 530 views

Evaluating arithmetic sum example
05:21 Popular
Finding Sum From Recursive Definition Of Sequence

7 years ago / 721 views

Finding sum from recursive definition of sequence
02:38
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

7 years ago / 671 views

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

7 years ago / 2,146 views

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=
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

7 years ago / 737 views

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

7 years ago / 933 views

Watch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

7 years ago / 2,156 views

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
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

7 years ago / 1,169 views

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
01:16 Popular
Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

7 years ago / 730 views

Watch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

7 years ago / 722 views

Watch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

7 years ago / 1,170 views

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

7 years ago / 1,106 views

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
01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

7 years ago / 749 views

Watch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

7 years ago / 726 views

Watch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne
03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

7 years ago / 549 views

Watch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

7 years ago / 1,014 views

Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

7 years ago / 1,581 views

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp
03:13
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

7 years ago / 622 views

Watch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp
01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

7 years ago / 860 views

Watch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

7 years ago / 974 views

Watch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign
02:22
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

7 years ago / 587 views

Watch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

7 years ago / 898 views

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

7 years ago / 911 views

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
03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

7 years ago / 838 views

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
02:50 Popular
Complex Numbers — Basic Example | Math | New SAT | Khan Academy

7 years ago / 898 views

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
05:25 Popular
Complex Numbers — Harder Example | Math | New SAT | Khan Academy

7 years ago / 833 views

Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

7 years ago / 1,339 views

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

7 years ago / 1,398 views

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
02:35 Popular
Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

7 years ago / 1,094 views

Checking ordered pair solutions to 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/plugging_in_values?ut
02:27 Popular
Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

7 years ago / 795 views

Second example of ordered pair solutions 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/plugging_in_values?utm_so
02:40 Popular
Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

7 years ago / 1,517 views

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
02:35 Popular
Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

7 years ago / 1,165 views

Linear equation for file transfer 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-function
05:30 Popular
Graphing Linear Functions Example 1 | Algebra I | Khan Academy

7 years ago / 1,352 views

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-
03:12 Popular
Graphing Linear Functions Example 2 | Algebra I | Khan Academy

7 years ago / 1,291 views

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
06:35 Popular
Constructing Linear Functions Example 1 | Algebra I | Khan Academy

7 years ago / 1,325 views

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
08:23 Popular
Constructing Linear Functions Example 2 | Algebra I | Khan Academy

7 years ago / 1,145 views

Linear model for painting 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-problems?utm_sour
08:52 Popular
Linear Models Example 1 | Algebra I | Khan Academy

7 years ago / 1,332 views

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

7 years ago / 870 views

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
01:07 Popular
How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

7 years ago / 907 views

Sal 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/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so
01:49 Popular
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

7 years ago / 1,289 views

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
01:40 Popular
How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

7 years ago / 875 views

Sal 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/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_
03:24 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

7 years ago / 1,169 views

Sal 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/algebra-functions/interpreting-function-notation/e/function-nota
03:04
How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

7 years ago / 654 views

Sal 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/algebra-functions/functions-
02:36 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

7 years ago / 1,511 views

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
05:09 Popular
Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

7 years ago / 1,094 views

Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st
11:09 Popular
Algebra Basics: What Are Polynomials? - Math Antics

7 years ago / 1,486 views

This video introduces students to polynomials and terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Learn More at mathantics.com Visit http://www.mathantics.com for more Free math
10:29 Popular
Algebra Basics: Solving 2-Step Equations - Math Antics

7 years ago / 1,615 views

There was a confusing example in the original video. This is the updated version. This video shows students how to solve 2-step Algebra equations involving one addition or subtraction and one multiplication or division. Part of the Algebra Basics Series:
03:47 Popular
A Trip Through Space To Calculate Distance - Heather Tunnell

7 years ago / 751 views

View full lesson: http://ed.ted.com/lessons/a-trip-through-space-to-calculate-distance-heather-tunnell 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

7 years ago / 530 views

Learn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y
03:27 Popular
How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

7 years ago / 799 views

Learn 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/cc-sixth-grade-math/cc-6t
05:15
Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

7 years ago / 675 views

Explore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100-x, 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

7 years ago / 676 views

Learn how to write basic algebraic expressions. 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-writing-expressions/e/writing-expressions-with-variabl
03:09 Popular
How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

7 years ago / 762 views

Learn 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/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th
04:42 Popular
How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

7 years ago / 1,045 views

Learn 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/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-e
06:29 Popular
How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

7 years ago / 1,057 views

Learn how to apply the distributive property to algebraic expressions. 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-distributive-property/e/distrib
01:58 Popular
How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property

7 years ago / 1,028 views

"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?
04:21 Popular
How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

7 years ago / 1,260 views

Learn how to write basic equations to model real-world situations. 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-super-yoga/e/equations-in-one-vari
04:05
How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

7 years ago / 657 views

Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. 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-one-st
02:19 Popular
How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

7 years ago / 1,028 views

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
04:37
Identifying Perfect Square Trinomials

7 years ago / 620 views

Identifying perfect square trinomials
03:39
Factoring Perfect Square Polynomial

7 years ago / 567 views

Factoring perfect square polynomial