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• 07:18

Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

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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

• 12:07

Algebra Basics: What Is Algebra? - Math Antics

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The first video in the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Next video: https://youtu.be/l3XzepN03KQ This video gives an overview of Algebra and introduces the concepts of unknown value

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• 05:45

Lil Nas X surprising the kids of Lander Elementary

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Kids go crazy when Lil Nas X makes a surprise visit to their elementary school.

• 07:00

Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

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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

• 06:55

What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

331 views / 0 likes - added

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

• 05:10

The Truth About "Elementary, My Dear Watson"

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If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa

• 11:11

326 views / 0 likes - added

Aiko compares what elementary school is like in British Columbia, Canada vs. Tokyo, Japan. Questions 0:04 Food 1:23 Rules 2:25 More Rules 2:56 Breaks 3:37 Homework 4:18 Physical Education 5:12 Field Trips 6:17 Course Difficulty 7:05 Canadian Pros 7:46 Jap

• 03:54

Elementary School Rules in Japan

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These are what the rules are like in Aiko and Shin's elementary school in Japan. There are some rules the kids forgot to talk about, like no wearing outdoor shoes in school or everyone has to eat the same lunch (which is made fresh everyday at school). Wh

• 10:50

Getting Ready for Japanese Elementary School

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Shin, for the first time, is the main host! He shows what an elementary school student in Japan needs when going back to school after summer break. Website Post: http://bit.ly/LWIFEP49 Did you know that the cameraman (Dad) has his own channel called Life

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• 10:19

ARE YOU SMARTER THAN AN ELEMENTARY STUDENT / JustJordan33

471 views / 8 likes - added

My knowledge was tested to see if I was smarter than an elementary student. At the end, I had to eat a gross ice cream concoction! Did you enjoy this video? Here are some other videos I think you might like. Operation Slime Challenge: https://www.youtube.

• 12:14

Algebra Basics: Exponents In Algebra - Math Antics

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Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/K6ewhnaL4KQ This video shows how exponents can be used more generally with variables. It explains why x

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• 06:17

Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

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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

• 12:49

Scientific Notation Examples | Pre-Algebra | Khan Academy

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• 03:03

Introduction To Exponents | Pre-Algebra | Khan Academy

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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

• 03:04

How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

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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-

• 03:21

Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

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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

• 01:40

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

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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_

• 05:27

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• 10:29

Algebra Basics: Solving 2-Step Equations - Math Antics

654 views / 1 likes - added

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:

• 03:33

Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

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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

• 03:02

Elementary, My Dear Schoolhouse Rock

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1 of Eleven multiplication, math, number videos in the Schoolhouse Rock Series Blast from the past, fun learning!

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• 01:07

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

334 views / 0 likes - added

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

• 04:20

Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

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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

• 20:48

Introduction To Scientific Notation | Pre-Algebra | Khan Academy

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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

• 05:37

Linear Models Example 2 | Algebra I | Khan Academy

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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

• 09:17

Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

381 views / 0 likes - added

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

• 03:36

Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

357 views / 0 likes - added

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

• 03:24

How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

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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

• 10:00

Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

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• 04:07

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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

• 05:20

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

381 views / 0 likes - added

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

• 09:16

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• 08:13

Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

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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

• 02:36

How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

432 views / 0 likes - added

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

• 03:00

Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

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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

• 06:56

Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

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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

• 03:43

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• 02:07

Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

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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

• 02:48

Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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• 07:51

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

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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

• 01:34

Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

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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

• 02:04

Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

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In 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/pre-algebra/rates-and-ratios/ratios_and_proportions/e/rat

• 09:35 Popular

Algebra Basics: Solving Basic Equations Part 2 - Math Antics

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Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/l3XzepN03KQ Next video: Coming Soon This video shows students how to solve simple 1-step Algebra equati

• 02:49

Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

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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

• 03:09

Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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• 05:05

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

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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

• 06:14

How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

416 views / 0 likes - added

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

• 08:34

LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

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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

• 04:17

Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

327 views / 0 likes - added

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

• 04:31

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

350 views / 0 likes - added

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

• 08:52

Linear Models Example 1 | Algebra I | Khan Academy

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• 07:34

Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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• 18:41 Popular

10 Science Projects For Elementary School Students By HooplaKidz Lab

786 views / 4 likes - added

Like me on Facebook: facebook.com/hooplakidzlab SUBSCRIBE: http://bit.ly/1V77IUh Skip Ahead To One Of The Following Experiments: 0:13 - Avoiding Pepper 1:28 - Dancing Raisins 2:39 - Diving Ketchup 4:32 - Duck Call 5:38 - Motion On The Ocean 7:35 - Put Out

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• 04:16

Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

446 views / 0 likes - added

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

• 03:52

Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

431 views / 0 likes - added

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

• 00:52

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

356 views / 0 likes - added

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/

• 02:40

Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

439 views / 0 likes - added

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

• 08:23

Constructing Linear Functions Example 2 | Algebra I | Khan Academy

293 views / 0 likes - added

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

• 09:43

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

442 views / 0 likes - added

• 02:35

Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

321 views / 0 likes - added

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

• 05:02

Positive And Negative Slope | Algebra I | Khan Academy

368 views / 0 likes - added

Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign

• 06:35

Constructing Linear Functions Example 1 | Algebra I | Khan Academy

424 views / 0 likes - added

Linear model for ice sheet thickness Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-linear-functions-word-proble

• 03:12

Graphing Linear Functions Example 2 | Algebra I | Khan Academy

357 views / 0 likes - added

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

• 03:28

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

481 views / 0 likes - added

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

• 06:20

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

321 views / 0 likes - added

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/

• 05:26

Factors And Divisibility In Algebra

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Factors and divisibility in algebra

• 11:08 Popular

Algebra Basics: Solving Basic Equations Part 1 - Math Antics

1,050 views / 3 likes - added

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/NybHckSEQBI Next video: https://youtu.be/Qyd_v3DGzTM This video shows students how to solve simple 1-st

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• 05:41

Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

414 views / 0 likes - added

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

• 03:38

Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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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

• 02:36

Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

399 views / 0 likes - added

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

• 05:30

Graphing Linear Functions Example 1 | Algebra I | Khan Academy

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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-

• 03:40

Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

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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

• 08:21

Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

304 views / 0 likes - added

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

• 05:34

Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

380 views / 0 likes - added

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?

• 02:27

Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

354 views / 0 likes - added

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

• 02:27

Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

333 views / 0 likes - added

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

• 07:11

Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

433 views / 0 likes - added

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

Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

423 views / 0 likes - added

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

• 05:09

Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

459 views / 0 likes - added

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

• 19:53

Linear Algebra - Matrix Transformations

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Matrix multiplication and linear algebra explained with 3D animations.

• 08:30

Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

425 views / 0 likes - added

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

• 03:21

Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

423 views / 0 likes - added

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

• 07:08

Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

448 views / 0 likes - added

Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

• 09:50

577 views / 1 likes - added

• 03:53

Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

500 views / 0 likes - added

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

• 04:33

Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

441 views / 0 likes - added

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_

• 02:39

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

433 views / 0 likes - added

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/

• 06:29

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

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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/

• 03:50

Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

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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

• 05:51

Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

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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

• 05:42

Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

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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/

• 09:23

Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

487 views / 1 likes - added

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

• 03:08

Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

478 views / 1 likes - added

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

• 09:15

Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

512 views / 1 likes - added

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

• 01:11

Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

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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

• 09:29

Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

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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

• 14:13

Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

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What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

• 02:35

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

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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

• 04:51

Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

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• 04:24

Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

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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

• 09:45

458 views / 1 likes - added

• 10:10

IIT JEE Hairy Trig and Algebra (part 1)

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2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

• 09:54

IIT JEE Hairy Trig and Algebra (Part 2)

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2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM

• 06:28

IIT JEE Hairy Trig and Algebra (Part 3)

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2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM

• 02:32

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

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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

• 04:25

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

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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

• 07:14

Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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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

• 02:36

Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

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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

• 24:47

Linear Algebra: Parametric Representations of Lines

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Linear Algebra: Parametric Representations of Lines in R2 and R3 More free lessons at: http://www.khanacademy.org/video?v=hWhs2cIj7Cw

• 03:45

Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

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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

• 02:34

Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

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Standard form to slope-intercept 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/slope-from-an-equation-in-standard-form?utm_source=Y

• 47:36

Completing the square - Live algebra lesson

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Do you need help with your algebra homework? Send photos of any problems you need help with to LiveStream@MathMeeting.com. Today I am focusing on solving quadratic equations by completing the square. I will help you live right here on this live stream :)

• 09:36

Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

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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.

• 11:09

Algebra Basics: What Are Polynomials? - Math Antics

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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

• 04:00

Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

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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

• 10:43 Popular

Algebra Basics: Simplifying Polynomials - Math Antics

863 views / 1 likes - added

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

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• 11:54 Popular

Algebra Basics: The Distributive Property - Math Antics

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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

• 15:46

Linear Algebra: Introduction to Linear Independence

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Linear Algebra: Introduction to linear dependence and independence More free lessons at: http://www.khanacademy.org/video?v=CrV1xCWdY-g

• 07:25

Algebra Word Problem - Factoring

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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.

• 05:38

Algebra word problem - System of Equations

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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

• 04:09

Easy algebra word problem - But can you solve it?

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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

• 02:51 Popular

The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

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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:

• 03:48

Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

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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

• 10:07

The Beauty of Algebra

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Why the abstraction of mathematics is so fundamental More free lessons at: http://www.khanacademy.org/video?v=kpCJyQ2usJ4

• 07:28

Algebra: Linear Equations 1

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equations of the form AX=B More free lessons at: http://www.khanacademy.org/video?v=bAerID24QJ0

• 06:07

Algebra: Linear Equations 2

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solving equations of the form AX+B=C More free lessons at: http://www.khanacademy.org/video?v=DopnmxeMt-s

• 06:45

Algebra: Linear Equations 3

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Linear equations with multiple variable and constant terms More free lessons at: http://www.khanacademy.org/video?v=Zn-GbH2S0Dk

• 10:01

Linear Algebra: 3x3 Determinant

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Determinants: Finding the determinant of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=0c7dt2SQfLw

• 18:40

Linear Algebra: nxn Determinant

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Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4

• 13:25

Linear Algebra: Another Least Squares Example

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Using least squares approximation to fit a line to points More free lessons at: http://www.khanacademy.org/video?v=QkepM8Vv3kw

• 04:22 Popular

Impossible Algebra Problem

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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

• 25:34

Linear Algebra: Vector Examples

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Visually understanding basic vector operations More free lessons at: http://www.khanacademy.org/video?v=r4bH66vYjss

• 19:00

Linear Algebra: Basis of a Subspace

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Understanding the definition of a basis of a subspace More free lessons at: http://www.khanacademy.org/video?v=zntNi3-ybfQ

• 16:34

Linear Algebra: Exploring the solution set of Ax=b

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Exploring the solution set of Ax=b (non homogeneous equations) More free lessons at: http://www.khanacademy.org/video?v=1PsNIzUJPkc

• 18:20

Linear Algebra: Formula for 2x2 inverse

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Figuring out the formula for a 2x2 matrix. Defining the determinant. More free lessons at: http://www.khanacademy.org/video?v=eEUK_ThrHuQ

• 16:55

Linear Algebra: Determinant when row is added

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The determinant when one matrix has a row that is the sum of the rows of other matrices (and every other term is identical in the 3 matrices) More free lessons at: http://www.khanacademy.org/video?v=VrB3LaSD_uo

• 08:19

Linear Algebra: Duplicate Row Determinant

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Determinant of a matrix with duplicate rows More free lessons at: http://www.khanacademy.org/video?v=gYv8sttBIqs

• 10:25

Linear Algebra: Determinant after row operations

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What happens to the determinant when we perform a row operation More free lessons at: http://www.khanacademy.org/video?v=kpG7xySkivg

• 09:13

Linear Algebra: Simpler 4x4 determinant

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Calculating a 4x4 determinant by putting in in upper triangular form first. More free lessons at: http://www.khanacademy.org/video?v=QV0jsTiobU4

• 08:37

Linear Algebra: Transpose of a Matrix

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Transpose of a matrix More free lessons at: http://www.khanacademy.org/video?v=2t0003_sxtU

• 14:10

Linear Algebra: Determinant of Transpose

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Proof by induction that transposing a matrix does not change its determinant More free lessons at: http://www.khanacademy.org/video?v=x-GV2v0dRNE

• 12:07

Linear Algebra: Transpose of a Vector

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Transpose of a column vector. Matrix-matrix products using vectors More free lessons at: http://www.khanacademy.org/video?v=lSoaMCNKfAg

• 22:08

Linear Algebra: Orthogonal Complements

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Orthogonal Complements as subspaces. More free lessons at: http://www.khanacademy.org/video?v=QOTjdgmNqlg

• 09:27

Linear Algebra: dim(V) + dim(orthogonoal complelent of V)=n

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Showing that if V is a subspace of Rn, then dim(V) + dim(V's orthogonal complement) = n More free lessons at: http://www.khanacademy.org/video?v=pGhBfkBqok0

• 17:26

Linear Algebra: Projections onto Subspaces

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Projections onto subspaces More free lessons at: http://www.khanacademy.org/video?v=5B8XluiqdHM

• 15:32

Linear Algebra: Least Squares Approximation

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The least squares approximation for otherwise unsolvable equations More free lessons at: http://www.khanacademy.org/video?v=MC7l96tW8V8

• 18:50

Linear Algebra: Least Squares Examples

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An example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE

• 14:08

Linear Algebra: Eigenvalues of a 3x3 matrix

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Determining the eigenvalues of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=11dNghWC4HI

• 18:53

Linear Algebra: Vector Triangle Inequality

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Proving the triangle inequality for vectors in Rn More free lessons at: http://www.khanacademy.org/video?v=PsNidCBr5II

• 15:47

Linear Algebra: Cross Product Introduction

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Introduction to the cross product More free lessons at: http://www.khanacademy.org/video?v=pJzmiywagfY

• 18:14

Linear Algebra: Matrix Product Examples

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Example of taking the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=x1z0hOyjapU

• 18:54

Linear Algebra: Introduction to the inverse of a function

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Introduction to the inverse of a function More free lessons at: http://www.khanacademy.org/video?v=-eAzhBZgq28

• 20:00

Linear Algebra: Matrix condition for one-to-one trans

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Showing that the rank of the of an mxn transformation matrix has to be an for the transformation to be one-to-one (injective) More free lessons at: http://www.khanacademy.org/video?v=M3FuL9qKTBs

• 06:37

Linear Algebra: Simplifying conditions for invertibility

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Showing that a transformation is invertible if and only if rref(A) is equal to the identity matrix More free lessons at: http://www.khanacademy.org/video?v=Yz2OosyMTmY

• 06:22

Linear Algebra: Example of Finding Matrix Inverse

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Example of calculating the inverse of a matrix More free lessons at: http://www.khanacademy.org/video?v=r9aTLTN16V4

• 09:03

Linear Algebra: Determinants along other rows/cols

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Finding the determinant by going along other rows or columns More free lessons at: http://www.khanacademy.org/video?v=nu87kfmwNfU

• 07:18

Linear Algebra: Rule of Sarrus of Determinants

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A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus) More free lessons at: http://www.khanacademy.org/video?v=4xFIi0JF2AM

• 13:20

Linear Algebra: Determinant when row multiplied by scalar

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The determinant when a row is multiplied by a scalar More free lessons at: http://www.khanacademy.org/video?v=32rdijPB-rA

• 02:52

Linear Algebra: (correction) scalar muliplication of row

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Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ

• 08:07

Linear Algebra: Upper Triangular Determinant

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The determinant of an upper triangular matrix More free lessons at: http://www.khanacademy.org/video?v=VX7K8iqoiRc

• 21:38

Linear Algebra: Determinant and area of a parallelogram

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Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix More free lessons at: http://www.khanacademy.org/video?v=n-S63_goDFg

• 20:10

Linear Algebra: Determinant as Scaling Factor

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Viewing the determinant of the transformation matrix as a scaling factor of regions More free lessons at: http://www.khanacademy.org/video?v=g3MqSdO5Ubc

• 08:50

Linear Algebra: Transpose of a Matrix Product

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Taking the transpose of the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=UdHgWK13x5I

• 08:41

Linear Algebra: Transposes of sums and inverses

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Transposes of sums and inverses More free lessons at: http://www.khanacademy.org/video?v=Br_8t58mdeI

• 23:19

Linear Algebra: Rowspace and Left Nullspace

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Rowspace and Left Nullspace More free lessons at: http://www.khanacademy.org/video?v=qBfc57x_RSg

• 13:04

Linear Algebra: Subspace Projection Matrix Example

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Example of a transformation matrix for a projection onto a subspace More free lessons at: http://www.khanacademy.org/video?v=QTcSBB3uVP0

• 16:08

Linear Algebra: Coordinates with Respect to a Basis

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Understanding alternate coordinate systems More free lessons at: http://www.khanacademy.org/video?v=uvgru6FcyxU

• 17:55

Linear Algebra: Change of Basis Matrix

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Using a change of basis matrix to get us from one coordinate system to another. More free lessons at: http://www.khanacademy.org/video?v=1j5WnqwMdCk

• 11:16

Linear Algebra: Introduction to Orthonormal Bases

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Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ

• 19:24

Linear Algebra: The Gram-Schmidt Process

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Finding an orthonormal basis for a subspace using the Gram-Schmidt Process More free lessons at: http://www.khanacademy.org/video?v=rHonltF77zI

• 13:14

Linear Algebra: Gram-Schmidt Process Example

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Using Gram-Schmidt to find an orthonormal basis for a plane in R3 More free lessons at: http://www.khanacademy.org/video?v=tu1GPtfsQ7M

• 07:43

Linear Algebra: Introduction to Eigenvalues and Eigenvectors

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What eigenvectors and eigenvalues are and why they are interesting More free lessons at: http://www.khanacademy.org/video?v=PhfbEr2btGQ

• 05:39

Linear Algebra: Example solving for the eigenvalues of a 2x2 matrix

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Example solving for the eigenvalues of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=pZ6mMVEE89g

• 14:34

Linear Algebra: Finding Eigenvectors and Eigenspaces example

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Finding the eigenvectors and eigenspaces of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=3-xfmbdzkqc

• 15:34

Linear Algebra: Eigenvectors and Eigenspaces for a 3x3 matrix

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Eigenvectors and eigenspaces for a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=3Md5KCCQX-0

• 11:34

Algebra Basics: What Are Functions? - Math Antics

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• 18:00

Linear Algebra: Deriving a method for determining inverses

386 views / 0 likes - added

Determining a method for constructing inverse transformation matrices More free lessons at: http://www.khanacademy.org/video?v=6DpzCKJBsz0

• 15:28

Linear Algebra: Coordinates with respect to orthonormal bases

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Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo

• 13:57

Linear Algebra: Gram-Schmidt example with 3 basis vectors

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Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI

• 09:19

Linear Algebra: Proof of formula for determining Eigenvalues

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Proof of formula for determining Eigenvalues More free lessons at: http://www.khanacademy.org/video?v=rfm0wQObxjk

• 40:00

Algebra and Mathematics. Explained with easy to understand 3D animations.

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Explains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.

• 13:46

Algebra Basics: Laws Of Exponents - Math Antics

317 views / 1 likes - added

• 12:01

Algebra Basics: Slope And Distance - Math Antics

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• 10:14

Algebra Basics: Graphing On The Coordinate Plane - Math Antics

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• 13:09

Linear Algebra: Showing that an eigenbasis makes for good coordinate systems

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Showing that an eigenbasis makes for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=C2PC9185gIw

• 21:25

Linear Algebra: Showing that Inverses are Linear

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Showing that inverse transformations are also linear More free lessons at: http://www.khanacademy.org/video?v=mr9Tow8hpCg

• 11:14

Linear Algebra: Rank(A) = Rank(transpose of A)

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Rank(A) = Rank(transpose of A) More free lessons at: http://www.khanacademy.org/video?v=tqqVOWm9YsU

• 18:05

This is what an 1869 MIT entrance exam looks like

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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

• 02:19

How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

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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

• 01:49

How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

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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

• 02:57

I'm 8

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The humblest of school lunches can transform lives and entire nations. Come join a class of Tanzanian elementary students with Bill Gates for a meal of beans and rice. Learn more at http://b-gat.es/2w12Q0w

• 05:18

Unknowns With Multiplication And Division

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Finding unknowns. Basic algebra.

• 06:08

Deriving Lorentz Transformation Part 2

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Continuing the algebra to solve for the Lorentz factor.

• 14:15

Percent Problems

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Percent Problems from Chapter 3 of ck12.org Algebra I textbook

• 11:06

Word Problem Solving 3

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Word problem solving strategies from chapter 3 of ck12.org Algebra I book

• 02:59

Proof that 1 = 2.

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Using algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.

• 01:19

Magic Milk Chemistry Experiment

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Dip the q-tip in dish-washing detergent. Place food coloring in the middle of the bowl with milk. Touch the color with the q-tip. The detergent will start to bond with the fats in the milk which will get all the molecules moving, carrying with them also t

• 05:04

2,000+ children hand-colored this music video. Meg Myers - Running Up That Hill [Official Video]

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Over 2,000 children did the coloring for this music video.Stream "Running Up That Hill" on all platforms: https://ffm.to/ruth Connect with Meg Myers: Site: http://megmyers.com Follow: http://twitter.com/megmyers Like: http://facebook.com/megmyersofficial

• 02:40

Prank Calling Your Mom! | DIAL P FOR PRANKS

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Prank Calling Your Mom?! Izzy tries to convince her mom that she's gotta go back to elementary school, in this funny prank phone call!Join the fun on Peacock Kids where you can find an endless supply of laugh-out-loud jokes, lovable characters, life hacks

• 01:56 Popular

Fun Dance Exercises For Kids And Kids Fitness Workout On Video

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http://www.dancexfitness.com/danceX4kids.html kids will have a great time dancing with danceX 4 kids A fun exercise dance video for kids who want to have fun & get a great total body workout. Kids fitness has never been more fun like this kids workout dvd

• 02:01

20 Kids Jokes! Funny Jokes for Children | Bounce Patrol

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The Bounce Patrol gang tell 20 funny kids jokes! Laugh along with some clean, family-friendly jokes for children of all ages :-) Knock knock? Bounce Patrol make videos for kids - from toddlers and preschool, through to kindergarten and elementary school a

• 03:07

A 12-year-old is biking one of the hardest routes in China

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Wang Runxi is taking on one of the most challenging bike routes in China. He's 12 years old, fresh out of elementary school, and doing the ride in the name of father-son bonding. It's part of his dad's parenting philosophy: Intense sports help build chara

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