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

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

    1,373 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

  • 04:08 How Do We Monitor All The Planes In The Sky?

    How Do We Monitor All The Planes In The Sky?

    529 views / 0 likes - added

    With so many planes in and out of the skies each day, how is air travel kept safe? Here's more on the technology behind air traffic control. What Makes Airplanes Light Enough To Fly? ►►►► http://bit.ly/1O0nwJx Sign Up For The Seeker Newsletter Here ►►►► h

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

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

    1,280 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem

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

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

    884 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_

  • 02:42 Chemtrails

    Chemtrails

    441 views / 0 likes - added

    This week Reactions is taking science to the skies and checking out the chemistry behind chemtrails, or more accurately, contrails. It’s easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. How

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

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

    1,093 views / 1 likes - added

    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

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

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

    1,530 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

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

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

    1,383 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?

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

    Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    1,960 views / 0 likes - added

    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

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

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

    1,395 views / 0 likes - added

    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/

  • 03:38 Popular Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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

    720 views / 0 likes - added

    Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu

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

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

    1,593 views / 0 likes - added

    Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the

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

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

    1,949 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/

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

    Introduction To Exponents | Pre-Algebra | Khan Academy

    1,561 views / 0 likes - added

    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

  • 04:00 Popular Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

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

    1,646 views / 1 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

  • 05:41 Popular Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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

    712 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

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

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

    1,169 views / 0 likes - added

    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

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

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

    2,141 views / 2 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

  • 09:45 Popular Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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

    1,588 views / 1 likes - added

    Using exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm

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

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

    1,960 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

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

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

    1,802 views / 2 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

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

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

    1,602 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

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

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

    1,176 views / 0 likes - added

    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

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

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

    1,749 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

  • 07:14 Popular Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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

    1,626 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

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

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

    1,220 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/

  • 02:44 Popular The Wright Brothers: First Flight - 1903 - History in Color

    The Wright Brothers: First Flight - 1903 - History in Color

    1,034 views / 3 likes - added

    December 17, 1903. The Wright brothers – Orville (August 19, 1871 – January 30, 1948) and Wilbur (April 16, 1867 – May 30, 1912) – were two American aviation pioneers generally credited with inventing, building, and flying the worl

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  • 09:29 Popular Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

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

    1,082 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

  • 11:12 Popular 22 TOP-SECRET SPY HACKS FOR KIDS AND ADULTS

    22 TOP-SECRET SPY HACKS FOR KIDS AND ADULTS

    1,319 views / 2 likes - added

    TOP-SECRET SPY HACKS In this video I'll teach you how to take prints from glass, open doors without leaving your own handprints on them, make telescope, spying glass. You'll also find out how to hide your stuff like a pro so nobody would ever find it! Sec

  • 04:25 Popular Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

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

    965 views / 0 likes - added

    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

  • 03:28 Popular Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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

    1,664 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

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

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

    1,524 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

  • 03:35 Propellers, Big Doors and Weird Floors: The Making of a Cargo Plane

    Propellers, Big Doors and Weird Floors: The Making of a Cargo Plane

    491 views / 0 likes - added

    There are cargo planes out there big enough to freight cars or even spaceship parts. How are these massive planes made? Here's Why Wings Don't Fall Off Airplanes - https://youtu.be/jMsoKy_MV6w For more epic stories of innovation that shaped our future, ch

  • 09:21 Why 18,000 Bones Are Hidden In This Smithsonian Warehouse | Colossal Collections | Business Insider

    Why 18,000 Bones Are Hidden In This Smithsonian Warehouse | Colossal Collections | Business Insider

    158 views / 0 likes - added

    The Smithsonian National Museum of Natural History has over 18,000 specimens in its marine mammal bone collection, notably featuring a rare 8.5-foot adult Rice's whale skull. This collection is so large in both size and scale that it has outgrown the muse

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

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

    1,258 views / 0 likes - added

    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

  • 06:56 Popular Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

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

    1,118 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

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

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

    1,376 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/

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

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

    887 views / 0 likes - added

    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

  • 04:31 Popular Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

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

    1,541 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

  • 03:08 Popular Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

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

    1,667 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

  • 04:16 Popular Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

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

    1,142 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

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

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

    1,941 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

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

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

    1,527 views / 0 likes - added

    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

  • 02:36 Popular Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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

    1,041 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

  • 06:20 Popular Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

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

    1,181 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/

  • 02:27 Popular Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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

    1,043 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

  • 05:28 Turbulence: one of the great unsolved mysteries of physics - Tomás Chor

    Turbulence: one of the great unsolved mysteries of physics - Tomás Chor

    439 views / 0 likes - added

    What is turbulence and why does it happen? Explore the phenomenon that has perplexed physicists for over a century. -- You’re on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle

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

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

    1,658 views / 0 likes - added

    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

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

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

    2,108 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

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

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

    786 views / 0 likes - added

    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

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

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

    1,857 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

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

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

    1,097 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

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

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

    1,631 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

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

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

    1,783 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

  • 02:49 Popular Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

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

    1,182 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

  • 03:21 Popular Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

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

    1,717 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

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

    Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    1,338 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

  • 03:27 The Physics of Windmill Design

    The Physics of Windmill Design

    224 views / 0 likes - added

    This video was created in partnership with Bill Gates, inspired by his new book How to Avoid a Climate Disaster. Find out more here: https://gatesnot.es/3u7UUVUThis video is about how physics dictates the design of modern windmills - why they are so big,

  • 03:38 Popular What Makes Airplanes Light Enough To Fly?

    What Makes Airplanes Light Enough To Fly?

    739 views / 1 likes - added

    The materials used for aircraft engineering have changed considerably since the advent of flight. How do engineers choose what airplanes are made of? How Close Are We To Star Trek's Warp Drive? - http://bit.ly/1WqxVRz Sign Up For The Seeker Newsletter Her

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  • 12:26 Internets WEIRDEST Paper Airplanes!

    Internets WEIRDEST Paper Airplanes!

    387 views / 0 likes - added

    Today we're taking 9 of the most highly touted paper plane designs and putting them to the test. What's the best design, and which ones fly the highest, longest, and most accurately?Art of Manliness Paper Airplane Post: http://bit.ly/37KtZTiTo pre-order G

  • 12:32 Popular 1st place science fair ideas- 10 ideas and tricks to WIN!

    1st place science fair ideas- 10 ideas and tricks to WIN!

    1,003 views / 0 likes - added

    10 ideas and some power tips to make you the king of your science fair! FREE Audio Book- http://bit.ly/AudibleMarkRober A review of all the books I've listened to recently: http://bit.ly/MarksAudioBooks Studio C collab video! https://youtu.be/QCUyhiF6-0Q

  • 08:36 Heat Transfer: Crash Course Engineering #14

    Heat Transfer: Crash Course Engineering #14

    376 views / 0 likes - added

    Today were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital

  • 02:54 Popular 40 Ton Humpback Whale Leaps Entirely Out of the Water!

    40 Ton Humpback Whale Leaps Entirely Out of the Water!

    822 views / 3 likes - added

    It was a rare clear, crisp, cold, winter day offshore Mbotyi in Pondoland, Eastern Cape province, South Africa (formerly Transkei). The seas were unusually calm that day on the Indian Ocean. That wouldn't last long, soon returning to howling winds, whitec

  • 05:25 Is Fear Contagious? | Gross Science

    Is Fear Contagious? | Gross Science

    622 views / 0 likes - added

    Fear may be able to spread from person to person—just like a virus. Subscribe to Gross Science! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more gross info?↓ New York Magazine: Is Ther

  • 03:06 Popular The Mystery Behind Jupiter's Powerful Auroras

    The Mystery Behind Jupiter's Powerful Auroras

    715 views / 4 likes - added

    Jupiter has the most powerful auroras in our solar system. However, when scientists looked closer, they didn't find what they expected. These Satellite Dishes Can See Electrons 100 km Away - https://youtu.be/OnlYZdRZ_pw For a 30-day, unrestricted trial, g

  • 08:34 What Happens If You Fly a Drone In An Elevator? Real Experiment!

    What Happens If You Fly a Drone In An Elevator? Real Experiment!

    467 views / 0 likes - added

    Get your Action Lab Box Now! https://www.theactionlab.com/ In this video I actually fly a drone in an elevator to see what happens when the elevator goes to a different floor. Will the drone move with it or stay in its relative position? Then I also try t

  • 08:19 16 DRAWING HACKS TO SPARK YOUR IMAGINATION

    16 DRAWING HACKS TO SPARK YOUR IMAGINATION

    671 views / 0 likes - added

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  • 05:35 How Airplanes Are Designed To Feel Bigger On The Inside

    How Airplanes Are Designed To Feel Bigger On The Inside

    568 views / 0 likes - added

    Ever wonder why some airplanes feel big on the inside when they're actually small? Engineers use some special tricks to make that happen. Here's Why Wings Don't Fall Off Airplanes - https://youtu.be/jMsoKy_MV6w Sign Up For The Seeker Newsletter Here - htt

  • 05:03 Popular How do airplanes actually fly? - Raymond Adkins

    How do airplanes actually fly? - Raymond Adkins

    756 views / 0 likes - added

    Explore the physics of flight, and discover how aerodynamic lift generates the force needed for planes to fly.--By 1917, Albert Einstein had explained the relationship between space and time. But, that year, he designed a flawed airplane wing. His attempt

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  • 23:31 Popular SO SIMPLE AND SO FUNNY TIPS FOR KIDS

    SO SIMPLE AND SO FUNNY TIPS FOR KIDS

    855 views / 0 likes - added

    AWESOME CRAFTS AND TRICKS FOR KIDS This is an ultimate compilation of awesome ideas for those who suddenly feel bored. Crafting is definitely one of the best ways of spending time! For example, why buying toys if you can make them yourself? In this video,

  • 02:01 ♪ There Are Lots of Dumb Laws! | EVERY SINGLE THING

    ♪ There Are Lots of Dumb Laws! | EVERY SINGLE THING

    562 views / 0 likes - added

    Most laws are great, but there are plenty of dumb ones too!! What's the silliest law you've ever heard of?? LYRICS: Laws come in all shapes and sizes created by humans to keep things chill. Society can change it’s mind on what is legal or illegal. For ins

  • 05:08 The Real Reason Planes Crash | Boeing 737 Max 8

    The Real Reason Planes Crash | Boeing 737 Max 8

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    Computer bugs, technical failure, company design, or scandal? What If Your Airplane Door Opens Mid-Flight? https://youtu.be/eEDZuFw34YM Listen to Sidenote: https://youtu.be/rCWyU77wTQA WATCH MORE! Tech!: https://youtube.com/playlist?list=PLv... Health!: h

  • 04:11 Why Don't We Launch More Rockets From Airplanes?

    Why Don't We Launch More Rockets From Airplanes?

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    NASA recently launched a spacecraft horizontally from an airplane, rather than vertically from the ground. Should we launch more like this? Why Did The Antares Rocket Explode? - https://youtu.be/Nok2uw3cTig Sign Up For The Seeker Newsletter Here - http://

  • 14:03 Why Laminar Flow is AWESOME - Smarter Every Day 208

    Why Laminar Flow is AWESOME - Smarter Every Day 208

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  • 03:26 What Would a 24 Hour Flight Do To Your Body?

    What Would a 24 Hour Flight Do To Your Body?

    508 views / 0 likes - added

    This is a different kind of 24 hour challenge. Some people fly great distances to get to where they need to go, but what might you experience if you were in the air for a full 24 hours? Watch more: “Could You Survive A Plane Going Down?” ►►https://www.you

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    GIANT TOW MATER Life Size DISNEY CARS Family Fun Art's of Animation Hotel Tour Playground for Kids

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    GIANT Tow Mater Real Life Life Size DISNEY CARS Family Fun trip to Disney Art's of Animation Finding Nemo Hotel Tour with Ryan ToysReview! Last time we went to DisneyLand, now Ryan's family Review is going to Disney World! This is the first time Ryan's Fa

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    DO IT YOURSELF (Easiest Way) - How To Make A 3D Hologram Projector

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    How to turn your smartphone into a Hologram 3D projector. Easy Step by Step Instruction with free printout template . ✈ FREE PRINT OUT Template : https://goo.gl/K6d1I7 ✈ Link to a 3D Hologram video: http://m.youtube.com/watch?v=Y60mfBvXCj8 ------- Hologra

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  • 04:53 LOONEY TUNES (Looney Toons): Gas (Private Snafu) (1944) (Remastered) (HD 1080p)

    LOONEY TUNES (Looney Toons): Gas (Private Snafu) (1944) (Remastered) (HD 1080p)

    657 views / 0 likes - added

    Gas is an animated short, directed by Chuck Jones and first released in May, 1944. It features Private Snafu learning the value of a gas mask in warfare. The cartoon was produced by Warner Bros. Cartoons. The script writers for the Snafu cartoons were typ

  • 04:25 What If You Break The Speed Of Sound With Your Body?

    What If You Break The Speed Of Sound With Your Body?

    446 views / 1 likes - added

    Rollin' around at the speed of sound. Gotta go fast. Watch more: “What Would a 24 Hour Flight Do To Your Body?” ►► https://www.youtube.com/watch?v=tqb6lcRtrvA Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthi

  • 06:28 Leonardo da Vinci Created a Satellite Map Without the Use of a Satellite

    Leonardo da Vinci Created a Satellite Map Without the Use of a Satellite

    474 views / 0 likes - added

    Leonardo da Vinci most famous for his work Mona Lisa was so much more than a painter. He was a mathematician, writer, historian, engineer, and an amazing invento, just to name a few. He was a man truly and almost eerily ahead of his time. Actually, withou

  • 05:17 Popular FAMILY FUN Indoor Playground Kids Play Center Inflatable GIANT BALL PIT Play Room

    FAMILY FUN Indoor Playground Kids Play Center Inflatable GIANT BALL PIT Play Room

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    FAMILY FUN Indoor Playground Kids Play Center Inflatable GIANT BALL PIT Play Room. Thanks for joining Evren in this Indoor Playground Kids Play Center Inflatable GIANT BALL PIT Play Room. This huge play Area for children is so much fun for kids playing, j

  • 06:30 SEA LIFE SYDNEY AQUARIUM Family Fun Activities for Kids Evren Adventures ToysReview

    SEA LIFE SYDNEY AQUARIUM Family Fun Activities for Kids Evren Adventures ToysReview

    606 views / 2 likes - added

    SYDNEY SEA LIFE AQUARIUM Family Outdoor Activities for Kids Evren Adventures. We took Evren for the first time visiting the Sea Life Sydney Aquarium. It was found in 1988 and represent more than 700 species and thousands of fish and freshwater habitats wi

  • 05:08 Popular BUBBLE BALOON LAND!! Indoor Family Fun  Play Area For Kids Giant Inflatable LED Light

    BUBBLE BALOON LAND!! Indoor Family Fun Play Area For Kids Giant Inflatable LED Light

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    BUBBLE BALOON LAND!! Indoor Family Fun Play Area For Kids Giant Inflatable LED Light. Thanks for joining Evren in this adventures in Vivo City Saigon shopping Center and Family Fun Place area Bubble Balloon Land. There are lots of fun activities for kids

  • 05:11 Popular KID SIZE  VIETNAM SHOPPING FUN TRIP INDOOR GAME CENTRE Play Area Family Fun For Kids

    KID SIZE VIETNAM SHOPPING FUN TRIP INDOOR GAME CENTRE Play Area Family Fun For Kids

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    KID SIZE VIETNAM SHOPPING FUN TRIP INDOOR GAME CENTRE Play Area Family Fun For Kids Guessing motorbike kid fun game learning colours fun for kids. Evren and Evren's family had lots of fun in Saigon Road Trip playing guessing motorbike learning colors for

  • 07:24 Popular Family Fun Mayka Toy Block Tape Challenge! Kids Pretend Playtime with Ryan ToysReview

    Family Fun Mayka Toy Block Tape Challenge! Kids Pretend Playtime with Ryan ToysReview

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    Family Fun Mayka Toy Block Tape Challenge! Kids Pretend Playtime with Ryan ToysReview! This is an advertisement for Mayka Tape Zuru LEGO®is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this video. MAYKA™ is a tra

  • 03:32 Can You Get a Sunburn Behind a Window?

    Can You Get a Sunburn Behind a Window?

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    Could You Survive In These Extreme Conditions?

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  • 03:46 Popular Can You Reach The End Of A Rainbow?

    Can You Reach The End Of A Rainbow?

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    The end of the rainbow may be the best place to raid a leprechaun stash, but it proves a strangely difficult destination to reach. Brainstuff explains why you can’t get there, and why there really isn’t even a a “there” there. Learn more at HowStuffWorks.

  • 06:19 Popular Indoor Playground Trampoline Park Indoor Games and Activities Family Fun Play Center for Kids

    Indoor Playground Trampoline Park Indoor Games and Activities Family Fun Play Center for Kids

    1,020 views / 0 likes - added

    Indoor Playground Trampoline Park Indoor Games and Activities Family Fun Play Center for Kids. Thanks for joining Evren's family in this Indoor Kids trampoline and Family Fun arcade games Centre. This is a huge Indoor play Area for children and Kids can j

  • 13:18 38 People on this Flight Got Sick. Why? - The Science of Ventilation

    38 People on this Flight Got Sick. Why? - The Science of Ventilation

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    How likely are you to get sick on an airplane? How safe are airplanes? The science of ventilation and bioaerosol research. If you liked this video, check out: What stretching actually does to your body: https://www.youtube.com/watch?v=1JgBp7dX4AUOnly some

  • 05:40 Popular GIANT KINDER EASTER 2017 SURPRISE EGGS OPENING! Opening New Giant Kinder Eggs Maxi Surprise Toys

    GIANT KINDER EASTER 2017 SURPRISE EGGS OPENING! Opening New Giant Kinder Eggs Maxi Surprise Toys

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    GIANT KINDER MAXI EASTER 2017 SURPRISE EGGS OPENING! Opening New Giant Kinder Eggs Maxi Easter Eggs Surprise Toys for Kids. Join Evren unboxing big surprise eggs Easter Holiday edition, Giant Bunny Rabbit, Kinder Chocolate Egg Surprise, and kinder surpris

  • 02:01 Top Secret! Backwards Bookstore (1984)

    Top Secret! Backwards Bookstore (1984)

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    The entire scene from this movie was filmed backwards!Top Secret! movie clips: http://j.mp/1BcPCH2 BUY THE MOVIE: http://amzn.to/u43N4H Don't miss the HOTTEST NEW TRAILERS: http://bit.ly/1u2y6pr CLIP DESCRIPTION: A Swedish bookstore owner (Peter Cushing)

  • 06:46 How Far Can You Travel?

    How Far Can You Travel?

    687 views / 0 likes - added

    If you accelerate at 1G, you can create artificial gravity inside your spaceship. And there’s the added advantage that you can cross billions of light years within a human lifetime. How far can we travel? Support us at: http://www.patreon.com/universetoda

  • 04:46 Popular Thomas & Friends biggest surprise toys Giant Thomas Inflatable Radio Remote control Games

    Thomas & Friends biggest surprise toys Giant Thomas Inflatable Radio Remote control Games

    883 views / 2 likes - added

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  • 06:35 Popular 8 HOT WHEELS MONSTER JAM Trucks BLIND BAGS opening Play Doh surprise eggs guess the monster trucks

    8 HOT WHEELS MONSTER JAM Trucks BLIND BAGS opening Play Doh surprise eggs guess the monster trucks

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  • 07:30 Popular PJ Masks Headquarters Playset Unboxing PJ Masks Toys Catboy Gekko IRL Owlette Romeo Luna Disney Toys

    PJ Masks Headquarters Playset Unboxing PJ Masks Toys Catboy Gekko IRL Owlette Romeo Luna Disney Toys

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  • 07:24 Popular GIANT EGG SURPRISE THOMAS AND FRIENDS! Opening A Super Giant Surprise Egg Toy Trains Kids Video

    GIANT EGG SURPRISE THOMAS AND FRIENDS! Opening A Super Giant Surprise Egg Toy Trains Kids Video

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    New Disney Cars Lightning McQueen Battery Powered Ride on Car Kids Unboxing & Test Drive with Evren

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    New Disney Cars Lightning McQueen Battery Powered Ride on Car Kids Unboxing & Test Drive with Evren Adventures ToysReview! Thanks for joining Evren and Evren’s daddy to unbox and assemble this Lightning McQueen Battery Powered Ride-On. We got this awesome

  • 03:01 Is There A Better Way To Power Airplanes?

    Is There A Better Way To Power Airplanes?

    275 views / 0 likes - added

    This video was made in partnership with Bill Gates. To learn more about his work on clean energy, visit https://gatesnot.es/2WDTJ1LIts hard to replace jet fuel because the alternatives arent energetic enough, are too dangerous, or arent yet being made at

  • 04:22 Watch Bed Bugs Get Stopped in Their Tracks | Deep Look

    Watch Bed Bugs Get Stopped in Their Tracks | Deep Look

    452 views / 1 likes - added

    At night, these parasites crawl onto your bed, bite you and suck your blood. Then they find a nearby hideout where they leave disgusting telltale signs. But these pests have an Achilles heel that stops them cold.SUBSCRIBE to Deep Look! http://goo.gl/8NwXq

  • 12:56 Everything You Ever Wanted To Know About Birds

    Everything You Ever Wanted To Know About Birds

    186 views / 0 likes - added

    This summer, we partnered with Nate Senner of the University of Massachusetts Amherst and Tebughna School in Beluga, Alaska to make this series of videos all about how, why, and where birds migrate. We had so much fun making these videos that we decided t

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    SUPER CIRCUS 3D Pumpkin Smash | ABC Color Balls, Learn Colours & Shapes | 3D Rhymes by Busy Beavers

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