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• 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 :)

• 09:34

### Factoring And Completing Square Of Higher Degree Expressions

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Factoring and completing square of higher degree expressions

• 03:28

### Completing Perfect Square Trinomials

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u16_l5_t1_we2 Completing Perfect Square Trinomials Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 14:06

### Solving Quadratic Equations by Completing the Square

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Solving Quadratic Equations by Completing the Square More free lessons at: http://www.khanacademy.org/video?v=bNQY0z76M5A

• 03:22

### Completing the Square 1

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U10_L1_T2_we1 Completing the Square 1 More free lessons at: http://www.khanacademy.org/video?v=VvuuRpJbbHE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:25

### Completing the Square 2

281 views / 0 likes - added

U10_L1_T2_we2 Completing the Square 2 More free lessons at: http://www.khanacademy.org/video?v=6agzj3A9IgA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:14

### Completing the Square 3

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U10_L1_T2_we3 Completing the Square 3 More free lessons at: http://www.khanacademy.org/video?v=02h9yhc7ruc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 09:31

### Completing the Square 4

279 views / 0 likes - added

U10_L1_T2_we4 Completing the Square 4 More free lessons at: http://www.khanacademy.org/video?v=95tChNVzodY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:44

### Completing the Square to Solve Quadratic Equations

372 views / 0 likes - added

u16_l5_t1_we3 Completing the Square to Solve Quadratic Equations More free lessons at: http://www.khanacademy.org/video?v=TV5kDqiJ1Os Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:09

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

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• 07:18

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

365 views / 0 likes - added

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

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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

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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

• 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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• 05:48

### Visually Completing Solutions Of Systems Of Two Variables

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Visually completing solutions of systems of two variables

• 09:45

398 views / 1 likes - added

• 02:15

### How to Add Square Roots to Numerator Fractions

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How to Add Square Roots to Numerator Fractions. Part of the series: Math Problems. Adding square root numerator fractions requires you to keep the terms in the problem separate. Add square root numerator fractions with help from a mathematics educator in

• 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

• 04:17

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

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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

• 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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• 09:38

### How to find the square root of a decimal number without a calculator

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CuriosityStream: http://curiositystream.com/tibees This video follows on from my previous video where I reviewed an exam from 1866. Finding the square root of a decimal number by hand is not so tricky once you learn this algorithm, but is a skill that is

• 12:49

### Scientific Notation Examples | Pre-Algebra | Khan Academy

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• 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-

• 03:28

### How To Make Square Bubbles

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Have you ever seen a square bubble? Experiment with bubbles. Easy to follow video instructions of How To Make Square Bubbles. Easy kids science experiments that you can do at home! Click Here to Subscribe to HooplaKidzLab: http://www.youtube.com/subscript

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• 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_

• 03:40

### A Nice Square - Numberphile

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Extra footage from our Squared Squares video: https://youtu.be/NoRjwZomUK0 More links & stuff in full description below ↓↓↓ Check out http://www.squaring.net for loads of great info. Nice Square merchandise US: https://teespring.com/nice-square-us EU: htt

• 01:07

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

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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

• 05:04

### Making A TED-Ed Lesson: Visualizing Complex Ideas

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View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-visualizing-complex-ideas View original lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith How can animation convey complex, intangible concepts? A visual met

• 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

• 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

• 04:54

### The Parker Square - Numberphile

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Matt Parker reveals his pride and joy - the mysterious Parker Square! MORE LINKS IN FULL DESCRIPTION BELOW... T-Shirt: http://bit.ly/ParkerSquareTshirt For all your Parker Square needs: http://theparkersquare.com Parker Square on Twitter: https://twitter.

• 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

• 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

• 05:21

### HOW TO MAKE SQUARE GEARS FROM FOAM?

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Download a square gear: https://goo.gl/F0db5J Subscribe: http://www.youtube.com/c/MisterHacker Google: https://goo.gl/wK7DH9 How to make a foam cutter. How to make square foam gears. Music: 1 - Lounge Lizards 5 - Jack Elphick 2 - Some Kind Of Magic 2 - Ni

• 03:36

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

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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

• 02:36

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

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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

• 03:03

### Why is it called a SQUARE root?

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I explain why it is called a square root, and also how a square root works.Clarifications:To keep this video simple I decided to not talk about complex numbers. But perhaps I should have mentioned complex numbers when talking about the square root of nega

• 05:20

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

319 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

• 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

• 06:56

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

363 views / 0 likes - added

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

• 03:33

### 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

• 04:20

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

374 views / 1 likes - added

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

• 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

• 08:52

### Linear Models Example 1 | Algebra I | Khan Academy

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• 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

• 05:27

### Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

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• 01:34

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

362 views / 0 likes - added

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

• 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

• 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

345 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

• 04:48

### Approximating Square Roots

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Approximating square roots

• 05:24

### Introduction To Square Roots

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Introduction to square roots

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• 03:58

### Magic Square Party Trick - Numberphile

368 views / 0 likes - added

Matt Parker shows off his Magic Square party trick (unlike magicians, mathematicians often reveal their secrets). More Magic Square videos: http://bit.ly/MagicSquareVideos Rubik's Cube videos: http://bit.ly/rubiksvids More Matt on Numberphile: http://bit.

• 09:17

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

329 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

• 04:31

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

304 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

• 02:40

### Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

362 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

252 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

• 04:07

352 views / 0 likes - added

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

• 02:35

### Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

268 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

• 03:12

### Graphing Linear Functions Example 2 | Algebra I | Khan Academy

320 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

• 06:35

### Constructing Linear Functions Example 1 | Algebra I | Khan Academy

357 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

• 10:00

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

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• 04:16

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

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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

• 03:00

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

398 views / 0 likes - added

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

• 03:43

### Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

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• 02:49

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

309 views / 0 likes - added

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

• 09:43

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

387 views / 0 likes - added

• 03:28

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

406 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

• 02:48

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

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• 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

• 03:39

### Factoring Perfect Square Polynomial

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Factoring perfect square polynomial

• 04:37

### Identifying Perfect Square Trinomials

369 views / 0 likes - added

Identifying perfect square trinomials

• 03:04

### Finding Square Root Of Decimal

357 views / 0 likes - added

Finding square root of decimal

• 05:41

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

347 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

• 05:30

### Graphing Linear Functions Example 1 | Algebra I | Khan Academy

282 views / 0 likes - added

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-

• 06:20

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

282 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/

• 02:36

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

339 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

• 00:52

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

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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/

• 07:34

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

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• 02:07

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

256 views / 0 likes - added

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

• 02:27

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

283 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

• 05:02

### Positive And Negative Slope | Algebra I | Khan Academy

333 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

• 05:34

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

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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?

• 08:34

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

361 views / 1 likes - added

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

• 03:52

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

379 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

• 07:11

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

371 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

• 03:40

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

369 views / 0 likes - added

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

• 02:27

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

307 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

• 05:09

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

396 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

• 09:16

398 views / 0 likes - added

• 02:35

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

352 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

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### Solving For Constants In Perfect Square Polynomial

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626 views / 2 likes - added

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

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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

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

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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

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### Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

498 views / 1 likes - added

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

419 views / 0 likes - added

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### 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

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

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

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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_

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### Graphs of Square Root Functions

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Graphs of Square Root Functions More free lessons at: http://www.khanacademy.org/video?v=outcfkh69U0

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### Chi-Square Distribution Introduction

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Chi-Square Distribution Introduction More free lessons at: http://www.khanacademy.org/video?v=dXB3cUGnaxQ

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### 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/

• 08:46

### How To Play Star Wars Theme on Guitar EASY LESSON with tabs

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

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This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

• 01:11

### 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

• 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

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Watch this video to learn how to create the "Square" paper plane found on http://www.foldnfly.com

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

370 views / 0 likes - added

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

377 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

• 09:23

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

416 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

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

436 views / 0 likes - added

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

• 07:14

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

394 views / 0 likes - added

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

• 09:15

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

440 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

• 09:29

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

364 views / 0 likes - added

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

• 05:42

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

374 views / 0 likes - added

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/

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### Shared Binomial Factor Between Perfect Square And Difference Of Squares

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Shared binomial factor between perfect square and difference of squares

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

461 views / 0 likes - added

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

• 03:08

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

412 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

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### Solving Quadratic Equations by Square Roots

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### Contingency Table Chi-Square Test

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Contingency Table Chi-Square Test More free lessons at: http://www.khanacademy.org/video?v=hpWdDmgsIRE

• 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

• 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

• 02:32

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

396 views / 0 likes - added

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

• 04:24

### 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

• 03:38

### Square a Binomial

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• 12:52

### Chi Square Test - Explained

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Learn how to perform a Chi Square Test with this easy to follow statistics video. I also provided the links for my other statistics videos as well. Chi Square Test - with contingency table https://www.youtube.com/watch?v=misMgRRV3jQ Hypothesis testing - t

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179 views / 1 likes - added

Flat road - circular wheel. Bumpy road - square wheel? See who wins the race!

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

406 views / 0 likes - added

To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al

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### Pearson's Chi Square Test (Goodness of Fit)

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• 07:12

### Approximating Square Roots

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### Understanding Square Roots

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### Chi Square Test - With Contingency Table

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### Simplifying Square Roots

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

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### Factoring perfect square trinomials

347 views / 0 likes - added

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

440 views / 0 likes - added

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

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### Factors And Divisibility In Algebra

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### Algebra Basics: Solving 2-Step Equations - Math Antics

560 views / 1 likes - added

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

334 views / 0 likes - added

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.

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Matrix multiplication and linear algebra explained with 3D animations.

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### Chi-Square Tests: Crash Course Statistics #29

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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

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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.

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Episode 38 | Cosmic Kids Yoga Live! | Lulu the Lion Cub A special LIVE kids yoga adventure to follow along with at home. Jaime and 25 Cosmic Kids fans did Lulu the Lion together at the YouTube Space in London. We even did Hot Air Balloonin together too! R

• 04:14

### Where In The World Do People Live The Longest?

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There are a million tips to living a longer, healthier life, but maybe it's not how you live; it's where you live. The Reason Why We Can't Live Forever ►►►► http://bit.ly/1JCN4KO Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read Mor

• 01:46

### Spider Finger Family | Fun Children's Lesson, Kids English Song Video, Catchy Melody, Kindergarten

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Children Love Singing this Catchy Song to Learn the Names of the Members of the Family. These Funny Animated Spiders & Simple Music Make Learning Fun. Thanks for Watching, Sharing & Commenting Subscribe for Fresh Uploads 3 Times a Week! http://bit.ly/YOUT

• 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

• 14:18

### The Science Of A Happy Mind, Part 1 - Nat Geo Live

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Renowned neuroscientist Richard Davidson is finding that happiness is something we can cultivate and a skill that can be learned. Working with the Dalai Lama, Davidson is investigating the far-reaching impact of mindfulness, meditation, and the cultivatio

• 04:52

### What would it be like to live on the moon? - Alex Gendler

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This video was made in partnership with the Airbus Foundation. Find out more about their work here: http://bit.ly/2M262NF View full lesson: https://ed.ted.com/lessons/what-would-it-be-like-to-live-on-the-moon-alex-gendler The European Space Agency is hopi

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• 07:44

### Searching For Life In Volcanoes And Other Extreme Environments - Nat Geo Live

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Found everywhere from the rim of a lava lake to the inside an iceberg, microbes are remarkable organisms that can live in places humans can only dream of. How do they do it? And what can we learn from them about the limits of life both on our planet and e

• 38:29

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Need help with SAT reading? Join Eric, one of Khan Academy’s SAT experts, for an SAT reading class. During class, Eric explains a proactive approach to answering reading questions and walks through some of the most common types of questions. This is an ed

• 17:53

### Beginner Card Magic LIVE!

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Since we are all stuck in quarantine, we decided to share a little bit of card magic live. These are beginner card tricks that can be done by anyone.

• 04:33

### Searching For The World’s Last Pristine Seas - Nat Geo Live

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Feeling like he was writing the obituary for our oceans while studying the human impact on our seas, marine ecologist and National Geographic Explorer-in-Residence Dr. Enric Sala decided to leave academia and devote his life to ocean conservation. He foun

• 11:38

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Went to Universal Studios and enjoyed the SpongeBob Fan Shellabration. This is the live read of the very first episode of SpongeBob SquarePants! Recorded Sept. 7, 2013. Enjoy!

• 2:15:51

### Safari Live - Day 320 | Nat Geo WILD

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Join us on a LIVE African safari in the Maasai Mara, Sabi Sand, and Kruger National Park as experts guide us through the bush in search of lions, elephants, buffalo and more wild animals. Join the discussions on social with #safariLIVE! ➡ Subscribe: http:

• 2:15:05

### Safari Live - Day 321 | Nat Geo WILD

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Join us on a LIVE African safari in the Maasai Mara, Sabi Sand, and Kruger National Park as experts guide us through the bush in search of lions, elephants, buffalo and more wild animals. Join the discussions on social with #safariLIVE! ➡ Subscribe: http:

• 2:12:42

### Safari Live - Day 319 | Nat Geo WILD

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Join us on a LIVE African safari in the Maasai Mara, Sabi Sand, and Kruger National Park as experts guide us through the bush in search of lions, elephants, buffalo and more wild animals. Join the discussions on social with #safariLIVE! ➡ Subscribe: http:

• 10:05

### Urban Geography: Why We Live Where We Do

277 views / 1 likes - added

Sign up for a free month's trial at the Great Courses Plus: http://ow.ly/6u4h304922j Support Wendover Productions on Patreon: http://Patreon.com/WendoverProductions Rich Americans live in the Suburbs; Rich Europeans live downtown. Why do cities on the two

• 01:43

### Magic meerkat moments - Planet Earth Live - BBC One

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http://www.bbc.co.uk/planetearthlive Some of the magic moment of filming meerkats for Planet Earth Live.

• 02:30

### Finger Family Penguins | Early Childhood Lesson, Learn English Song, Teach Members Of The Family

401 views / 0 likes - added

This Kids Vid from our "Finger Family Collection" Teaches the Names of All the Members of the Family - Father, Mother, Brother, Sister & Baby with our Penguin Family. Thanks for Watching, Sharing & Commenting Subscribe for Fresh Uploads 3 Times a Week! ht

• 06:55 Popular

### This Animal Can Live Forever!

724 views / 2 likes - added

Here's a little info about an animal the can theoretically live forever. Instagram: @WorldByCharlie Patreon: www.patreon.com/worldbycharlie

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• 01:25

### Ant army eats live crab from the inside out! - BBC

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SUBSCRIBE to the OFFICIAL BBC YouTube channel: https://bit.ly/2IXqEIn LAUNCH BBC iPlayer to access Live TV and Box Sets: https://bbc.in/2J18jYJ An army of ants trap a live crab and devour it from the inside out. The 100 trillion ants in the world weigh as

• 06:34

### This Guy Is Making Furniture and Buildings out of Your Trash | Nat Geo Live

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How many objects in your vicinity contain recycled material? Probably none. Engineer Arthur Huang is trying to change this by designing from trash new materials that can be used to make furniture, buildings, and even airplanes. ➡ Subscribe: http://bit.ly/

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• 25:16

### Punnett Square Fun

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Dihybrid crosses. Independent assortment. Incomplete dominance. Codominance and multiple alleles. More free lessons at: http://www.khanacademy.org/video?v=D5ymMYcLtv0

• 09:15

### 5-Sided Square - Numberphile

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Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2 This video features Cliff Stoll. More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Buy a Klein Bottle fro

• 03:23 Popular

### 6 Insane Animals That Live In Volcanos

873 views / 5 likes - added

Most sharks live in the ocean, but did you know that some manage to live inside a volcano? How is this possible? 360 Camera Surf School ►►►► http://dne.ws/1OZQ7dz Read More: Life thrives at active underwater volcano (Live Science) http://www.livescience.c

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• 03:36

### What It’s Like To Pretend To Live On Mars For 8 Months

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NASA runs fake space missions on Earth. These simulations — called analog missions — allow scientists to study what a long space mission would be like for the crew. Some analog missions study the use of specialized technology or the effects of zero gravit

• 10:19

### Square Roots and Real Numbers

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