Search Results: "Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy"

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

1,090 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math
02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,025 views / 0 likes - added 8 years ago

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
03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,508 views / 0 likes - added 8 years ago

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

1,029 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/
03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,603 views / 0 likes - added 8 years ago

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

1,036 views / 0 likes - added 8 years ago

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

711 views / 0 likes - added 8 years ago

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

704 views / 0 likes - added 8 years ago

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

1,369 views / 0 likes - added 8 years ago

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

1,426 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

608 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,277 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

1,534 views / 0 likes - added 8 years ago

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

1,517 views / 0 likes - added 8 years ago

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

1,705 views / 0 likes - added 8 years ago

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
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

1,823 views / 0 likes - added 8 years ago

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

1,516 views / 0 likes - added 8 years ago

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

1,500 views / 0 likes - added 8 years ago

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

1,703 views / 1 likes - added 8 years ago

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

1,362 views / 0 likes - added 8 years ago

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

1,566 views / 0 likes - added 8 years ago

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

1,171 views / 0 likes - added 8 years ago

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

1,728 views / 0 likes - added 8 years ago

The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

878 views / 0 likes - added 8 years ago

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

1,163 views / 0 likes - added 8 years ago

What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy

1,506 views / 0 likes - added 8 years ago

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
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,159 views / 0 likes - added 8 years ago

More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W
03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

782 views / 0 likes - added 8 years ago

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

1,246 views / 0 likes - added 8 years ago

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

1,347 views / 0 likes - added 8 years ago

Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

1,899 views / 0 likes - added 8 years ago

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

1,785 views / 0 likes - added 8 years ago

Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

1,108 views / 0 likes - added 8 years ago

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

1,726 views / 0 likes - added 8 years ago

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

1,326 views / 0 likes - added 8 years ago

Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr
07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

778 views / 0 likes - added 8 years ago

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

1,853 views / 0 likes - added 8 years ago

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

1,883 views / 0 likes - added 8 years ago

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

1,545 views / 0 likes - added 8 years ago

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

2,046 views / 0 likes - added 8 years ago

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

1,375 views / 0 likes - added 8 years ago

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

1,900 views / 0 likes - added 8 years ago

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

874 views / 0 likes - added 8 years ago

We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,761 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh
04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

1,134 views / 0 likes - added 8 years ago

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

1,794 views / 1 likes - added 8 years ago

Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

1,206 views / 0 likes - added 8 years ago

Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

1,075 views / 0 likes - added 8 years ago

The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d
06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

1,168 views / 0 likes - added 8 years ago

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

1,472 views / 0 likes - added 8 years ago

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

1,580 views / 0 likes - added 8 years ago

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

1,083 views / 0 likes - added 8 years ago

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

2,069 views / 1 likes - added 8 years ago

How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

872 views / 0 likes - added 8 years ago

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

1,083 views / 0 likes - added 8 years ago

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

2,072 views / 0 likes - added 8 years ago

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

1,381 views / 0 likes - added 8 years ago

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

1,889 views / 0 likes - added 8 years ago

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

2,078 views / 2 likes - added 8 years ago

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

1,744 views / 2 likes - added 8 years ago

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

1,168 views / 0 likes - added 8 years ago

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

959 views / 0 likes - added 8 years ago

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

1,657 views / 1 likes - added 8 years ago

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

1,596 views / 0 likes - added 8 years ago

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

1,267 views / 0 likes - added 8 years ago

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

1,522 views / 1 likes - added 8 years ago

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

1,570 views / 0 likes - added 8 years ago

How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

1,631 views / 1 likes - added 8 years ago

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

2,161 views / 0 likes - added 8 years ago

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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Number Systems Introduction - Decimal, Binary, Octal & Hexadecimal

286 views / 0 likes - added 3 years ago

This video provides a basic introduction into number systems such decimal, binary, octal and hexadecimal numbers:Full 30 Minute Video:https://www.youtube.com/watch?v=PlbH_t0akAA
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,148 views / 0 likes - added 8 years ago

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

634 views / 0 likes - added 8 years ago

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

1,699 views / 0 likes - added 8 years ago

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

1,958 views / 0 likes - added 8 years ago

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
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Linear Models Example 2 | Algebra I | Khan Academy

1,138 views / 0 likes - added 8 years ago

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
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Positive And Negative Slope | Algebra I | Khan Academy

1,489 views / 0 likes - added 8 years ago

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

1,072 views / 0 likes - added 8 years ago

Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so
01:40 Popular
How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

1,003 views / 0 likes - added 8 years ago

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_
03:04 Popular
How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

902 views / 0 likes - added 8 years ago

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-
03:24 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

1,417 views / 0 likes - added 8 years ago

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
08:52 Popular
Linear Models Example 1 | Algebra I | Khan Academy

1,858 views / 0 likes - added 8 years ago

Linear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?u
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Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

1,987 views / 0 likes - added 8 years ago

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
02:40 Popular
Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

2,184 views / 0 likes - added 8 years ago

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
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Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

1,417 views / 0 likes - added 8 years ago

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

1,891 views / 0 likes - added 8 years ago

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
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Constructing Linear Functions Example 1 | Algebra I | Khan Academy

1,721 views / 0 likes - added 8 years ago

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
05:30 Popular
Graphing Linear Functions Example 1 | Algebra I | Khan Academy

1,814 views / 0 likes - added 8 years ago

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-
07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

873 views / 0 likes - added 8 years ago

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

1,309 views / 0 likes - added 8 years ago

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
02:27 Popular
Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

1,045 views / 0 likes - added 8 years ago

Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so
02:35 Popular
Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

1,257 views / 0 likes - added 8 years ago

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
07:11 Popular
Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

1,988 views / 0 likes - added 8 years ago

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
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Pronoun number | The parts of speech | Grammar | Khan Academy

862 views / 0 likes - added 6 years ago

The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp
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Algebra word problem - System of Equations

1,857 views / 0 likes - added 7 years ago

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My
04:08 Popular
Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

899 views / 0 likes - added 8 years ago

Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_
03:53 Popular
Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

1,815 views / 1 likes - added 8 years ago

Learn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--
33:06
The Strange Number System Where Infinity Is Tiny

207 views / 0 likes - added 10 months ago

There's a strange number system, featured in the work of a dozen Fields Medalists, that helps solve problems that are intractable with real numbers. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20%
01:47 Popular
Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

1,569 views / 0 likes - added 8 years ago

Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction
10:21
The Forgotten Number System - Numberphile

265 views / 0 likes - added 3 years ago

Featuring author Alex Bellos - check his books (including the Language Lover's Puzzle Book) on Amazon: https://amzn.to/3oU0wjTMore links & stuff in full description below More Alex on Numberphile: http://bit.ly/Bellos_PlaylistAlex's own website with links
04:28 Popular
Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

1,418 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/adding-and-subtracting-on-the-number-line-word-problems?utm_source=YT&utm_medium=De
01:31 Popular
Comparing Small Numbers On The Number Line | Counting | Early Math | Khan Academy

1,613 views / 0 likes - added 8 years ago

Learn to use a number line to compare numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/comparing-numbers-through-10?utm_source=Y
04:58 Popular
Number Grid | Counting | Early Math | Khan Academy

968 views / 0 likes - added 8 years ago

In our introductory video to counting, Sal goes through all the numbers from 0 to 100, so we can start to see some interesting patterns. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-
12:07 Popular
Algebra Basics: What Is Algebra? - Math Antics

2,305 views / 1 likes - added 8 years ago

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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02:55 Popular
Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

1,435 views / 0 likes - added 8 years ago

Comparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&
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The Power of Mathematical Visualization | The Great Courses

1,060 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/show/the_power_of_mathematical_visualization?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 The Power of Mathematical Visualization teaches you these vital problem-solving skills in
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Applying Logarithms

448 views / 0 likes - added 9 years ago

u18_l4_t2_we1 Applying Logarithms
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Sesame Street: Number 1 (Number of the Day)

1,720 views / 0 likes - added 9 years ago

Number 1! Number 1! Number 1! You might be wondering who: who is number 1? And the answer is simple: number 1! Number 1 is such a great number. Number 1 is a fearless leader, coming before all the other numbers, leading the pack and helping you get to num
02:21
Inductive Reasoning 2

483 views / 0 likes - added 9 years ago

U12_L1_T3_we2 Inductive Reasoning 2 More free lessons at: http://www.khanacademy.org/video?v=ZSsBh4Ybbj8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:03
Inductive Reasoning 3

509 views / 0 likes - added 9 years ago

U12_L1_T3_we3 Inductive Reasoning 3 More free lessons at: http://www.khanacademy.org/video?v=pgfWkaySFGY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:00
Deductive Reasoning 1

535 views / 0 likes - added 9 years ago

U12_L1_T4_we1 Deductive Reasoning 1 More free lessons at: http://www.khanacademy.org/video?v=GEId0GonOZM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:57
Deductive Reasoning 2

519 views / 0 likes - added 9 years ago

U12_L1_T4_we2 Deductive Reasoning 2 More free lessons at: http://www.khanacademy.org/video?v=VMEV__2wW3E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:11
Deductive Reasoning 3

545 views / 0 likes - added 9 years ago

U12_L1_T4_we3 Deductive Reasoning 3 More free lessons at: http://www.khanacademy.org/video?v=lYLaaMObgkw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:28
Applying Logarithms 2

442 views / 0 likes - added 9 years ago

u18_l4_t2_we2 Applying Logarithms 2
02:07
U12_L1_T3_we1 Inductive Reasoning 1

429 views / 0 likes - added 9 years ago

U12_L1_T3_we1 Inductive Reasoning 1 More free lessons at: http://www.khanacademy.org/video?v=MnQ7Lizkpqk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:23
Applying Einstein Velocity Addition

593 views / 0 likes - added 8 years ago

Applying Einstein velocity addition
09:10 Popular
Dividing a Number by a Larger Number : Fractions/ Decimals / Percents

1,083 views / 1 likes - added 8 years ago

Dividing a Number by a Larger Number : Fractions/ Decimals / Percents. In this video, I show how to divide: 9 / (48) by making this number into a decimal and then into a percentage. For more free math videos, visithttp://justmathtutoring.com/
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Applying Quadratic Functions 1

547 views / 0 likes - added 9 years ago

U10_L2_T1_we1 Applying Quadratic Functions 1 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
09:43
Applying Quadratic Functions 2

460 views / 0 likes - added 9 years ago

U10_L2_T1_we2 Applying Quadratic Functions 2 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:46
Applying Quadratic Functions 3

506 views / 0 likes - added 9 years ago

U10_L2_T1_we3 Applying Quadratic Functions 3 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:51
Applying the Quadratic Formula

478 views / 0 likes - added 9 years ago

u16_l5_t2_we2 Applying the Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=_E3gx_yQhHQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:19 Popular
Sesame Street: Number 7! (Number of the Day Song)

3,053 views / 0 likes - added 7 years ago

Wow number seven! What a great number! After 6 and before 8. You are the luckiest digit of them all. Let's all count to 7! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and
01:20 Popular
Sesame Street: Number 10 (Number of the Day Song)

1,510 views / 1 likes - added 6 years ago

The Number 10! We could count you again and again! You're the number of fingers we have and toes on our feet! Join The Count in counting to ten! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStre
01:18 Popular
Sesame Street: Number 9! (Number of the Day Song)

1,462 views / 0 likes - added 7 years ago

Number 9, you're so divine! You're 3 + 3 + 3 again! Join The Count in counting to the number 9! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschoole
05:25
Applying Radical Equations 1

592 views / 0 likes - added 9 years ago

U07_L3_T3_we1 Applying Radical Equations 1 More free lessons at: http://www.khanacademy.org/video?v=U3JxFFdKCKM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:20
Applying Radical Equations 3

473 views / 0 likes - added 9 years ago

U07_L3_T3_we3 Applying Radical Equations 3 More free lessons at: http://www.khanacademy.org/video?v=npUtXLjTnxg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:26
Applying Rational Equations 1

471 views / 0 likes - added 9 years ago

U11_L2_T2_we1 Applying Rational Equations 1 More free lessons at: http://www.khanacademy.org/video?v=gD7A1LA4jO8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:00
Applying Rational Equations 2

483 views / 0 likes - added 9 years ago

U11_L2_T2_we2 Applying Rational Equations 2 More free lessons at: http://www.khanacademy.org/video?v=E1j8W64NQ0Y Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
07:59
Applying Rational Equations 3

448 views / 0 likes - added 9 years ago

U11_L2_T2_we3 Applying Rational Equations 3 More free lessons at: http://www.khanacademy.org/video?v=B0Z4s38YIgQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:14 Popular
Sesame Street: Number 3 (Number of the Day Song)

2,092 views / 0 likes - added 9 years ago

Oh 3! You magical number, you. You are the number of tricycles, blind mice, and little kittens! What a pleasure it is to to count to you. Such a comfort passing through 1, and 2, and getting to you. Subscribe to the Sesame Street Channel here: http://www.
06:56
Applying Radical Equations 2

520 views / 0 likes - added 9 years ago

U07_L3_T3_we2 Applying Radical Equations 2 More free lessons at: http://www.khanacademy.org/video?v=YghRP8S2K-4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:15 Popular
Sesame Street: Number Six (Number Of The Day Song)

1,374 views / 0 likes - added 8 years ago

Number Six! Hop and kick to the number six—one, two three, four, five, six! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and the afternoon, weekday
12:14 Popular
Algebra Basics: Exponents In Algebra - Math Antics

1,336 views / 0 likes - added 8 years ago

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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01:14 Popular
Sesame Street: Number 4 (Number of the Day)

1,202 views / 1 likes - added 9 years ago

Number 4, you're what our hearts beat four. You're the number of squares and rectangles and rock and roll. Its so fun to count you , I think that's why musicians do! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?a
04:50 Popular
The Mathematical Secrets Of Pascal’s Triangle - Wajdi Mohamed Ratemi

1,690 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-mathematical-secrets-of-pascal-s-triangle-wajdi-mohamed-ratemi Pascal’s triangle, which at first may just look like a neatly arranged stack of numbers, is actually a mathematical treasure trove. But what abo
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How To Argue - Philosophical Reasoning: Crash Course Philosophy #2

885 views / 0 likes - added 8 years ago

Before we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work). -- Images and video via VideoBlo
01:14 Popular
Sesame Street: Number 5 Song (Number Of The Day)

1,813 views / 2 likes - added 8 years ago

Number five - dive in and count to five - one, two, three, four, five! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and the afternoon, weekdays on
01:17 Popular
Sesame Street: Number 8! (Number of the Day Song)

1,118 views / 0 likes - added 6 years ago

Number 8, you're pretty great! You're 4+4 and can be counted by 2s! Join The Count in counting to 8! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your pr
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Planets In Our Solar System | Sun And Solar System | Solar System For Children | 8 Planets Elearnin

3,631 views / 21 likes - added 8 years ago

Planets in our solar system | Sun and solar system | Solar System for children | elearnin The Solar System consists of the Sun and its planetary system of eight planets, their moons, and other objects including asteroids and meteors. Our planet Earth is o
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01:11 Popular
Sesame Street: Number 2 (Number of the Day)

1,022 views / 0 likes - added 9 years ago

Two, how we love you! You're not just one plus one, but so much more. You're 7- 5, and 100-98. You're also the number of friendship, love, and all around good company. Thank you, two, for doing what you do. Subscribe to the Sesame Street Channel here: htt
01:49 Popular
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

1,795 views / 0 likes - added 8 years ago

Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp
02:35
Is The Universe Entirely Mathematical? Feat. Max Tegmark

597 views / 0 likes - added 8 years ago

Thanks to Max Tegmark for writing & narrating this video, you can listen to his new book at http://www.audible.com/minutephysics OR find it on Amazon http://www.amazon.co.uk/Our-Mathematical-Universe-Ultimate-Reality/dp/1846144760 Thanks to Radiolab for l
04:43
The magical, mathematical fictions of Jorge Luis Borges - Ilan Stavans

389 views / 0 likes - added 4 years ago

Dive into the mind-bending works of Argentinian writer Jorge Luis Borges, whose work pioneered the literary style magical realism.--What would it be like to have a limitless memory? Can the meaning of life be found in an infinite library? Is time a labyri
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Sesame Street: Cookie Monster's Number 0 (New Number of the Day Song)

1,248 views / 1 likes - added 5 years ago

There may be zero cookies for Cookie Monster today but that's stop him from filling his appetite! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your presc
01:07
Sesame Street: Cookie Monster's Number 2 (New Number of the Day Dance)

654 views / 0 likes - added 4 years ago

Cookie Monster has two reasons to be excited today because that's how many delicious cookies there are!--Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your p
47:52 Popular
How Not To Be Wrong: The Power Of Mathematical Thinking

872 views / 0 likes - added 8 years ago

The maths we learn in school can seem like a dull set of rules, laid down by the ancients and not to be questioned. Jordan Ellenberg shows how wrong this view is through stories that show the power of mathematical thinking. Subscribe for regular science v
02:19 Popular
How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

1,257 views / 0 likes - added 8 years ago

Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting
04:11
Is Our Climate Headed For A Mathematical Tipping Point? - Victor J. Donnay

631 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/is-our-climate-headed-for-mathematical-chaos-victor-j-donnay Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth’s temperature by even two degrees could lead to catastrophic eff
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Immune System: Innate and Adaptive Immunity Explained

1,018 views / 0 likes - added 5 years ago

Our immune system is a fascinating entity, that functions in quite a unique and efficient manner. Comprising of various types of cells, it is prepared for any kind of breach in the fortress of our body, and is equipped to fight off a staggering number of
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Factors And Divisibility In Algebra

492 views / 0 likes - added 8 years ago

Factors and divisibility in algebra
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Calculator Number Trick: rectangle patterns

428 views / 0 likes - added 4 years ago

Here is the original Fermat's Library tweet.https://twitter.com/fermatslibrary/status/1052544515632959488If you want 100% renewable energy: check out Bulb!https://bulb.co.uk/refer/mattp5449We make Think Maths teaching resources to go with Stand-up Maths v
01:57
Mathematical Magic - Mr. Wizard's Everyday Magic

166 views / 1 likes - added 1 year ago

Learn some mathematical magic from Mr. Wizard. Subscribe now for more science, nature and technology clips from the 1980's Nickelodeon show, Mr. Wizard's World, every week on #WizardWednesdays. SUBSCRIBE HERE: http://bit.ly/mrwizard
10:29 Popular
Algebra Basics: Solving 2-Step Equations - Math Antics

2,150 views / 1 likes - added 8 years ago

There was a confusing example in the original video. This is the updated version. This video shows students how to solve 2-step Algebra equations involving one addition or subtraction and one multiplication or division. Part of the Algebra Basics Series:
38:41 Popular
Converting Units With Conversion Factors - Metric System Review & Dimensional Analysis

1,440 views / 0 likes - added 2 years ago

This metric system review video tutorial provides an overview / review of how to convert from one unit to another using a technique called dimensional analysis or the factor label method. It shows you how perform conversions with SI units in the metric sy
04:14 Popular
Can One Mathematical Model Explain All Patterns In Nature?

712 views / 0 likes - added 7 years ago

All patterns in nature might be describable using this mathematical theory. How did Alan Turing influence how we see the natural world? Who Was Ada Lovelace, The World's First Computer Nerd? - http://bit.ly/290mnkb Sign Up For The Seeker Newsletter Here -
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19:53
Linear Algebra - Matrix Transformations

591 views / 0 likes - added 5 years ago

Matrix multiplication and linear algebra explained with 3D animations.
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Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

645 views / 0 likes - added 6 years ago

Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its
08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

579 views / 0 likes - added 6 years ago

Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit
05:09 Popular
How the Digestive System Works

1,115 views / 3 likes - added 6 years ago

Watch this movie about your digestive system, the system that handles the food you eat.
09:35 Popular
Algebra Basics: Solving Basic Equations Part 2 - Math Antics

2,759 views / 0 likes - added 8 years ago

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/l3XzepN03KQ Next video: Coming Soon This video shows students how to solve simple 1-step Algebra equati
08:05 Popular
Saying "Avogadro's Number" Avogadro's Number of Times (World Record)

882 views / 0 likes - added 5 years ago

Get your Action Lab Box Now! https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I say "Avogadro's Number" Avogadro's Number of times. Along the way I tel
14:06
The Mathematical Code Hidden In Nature

186 views / 0 likes - added 2 years ago

Check out MEGAWOW from @PBS KIDS https://youtu.be/meU4f31gqYIWere on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below How do zebras get their stripes? How do leopards get their spots? And how do giraffes get
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Algebra Basics: Inequalities In Algebra - Math Antics

350 views / 0 likes - added 1 year ago

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
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Is One A Number? #shorts

296 views / 0 likes - added 2 years ago

What IS 1? It seems like a really stupid, obvious question, but the truth is that 1 is seriously complex. Is it even a number? Number theory pushes and pulls on 1, showing that it's everything all at once -- yet sometimes it's powerless. Cube it, multiply
11:08 Popular
Algebra Basics: Solving Basic Equations Part 1 - Math Antics

2,537 views / 3 likes - added 8 years ago

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/NybHckSEQBI Next video: https://youtu.be/Qyd_v3DGzTM This video shows students how to solve simple 1-st
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10:26
Skewes' Massive Number - Numberphile

558 views / 0 likes - added 8 years ago

Dr James Grime on the epic Skewes' Number. Lynda free trial (worth a look): http://www.lynda.com/numberphile Prime numbers: http://bit.ly/primevids Graham's Number: http://bit.ly/GrahamsNumber A small bit we chopped from this video: https://youtu.be/qgN6D
01:44 Popular
Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

1,718 views / 0 likes - added 8 years ago

Learn how to read two-way tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/v/counting-with-small-numbers?utm_source=YT&utm_medium=Desc&utm_c
02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

899 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

936 views / 0 likes - added 6 years ago

A worked example using Le Chatelier's principle to predict how concentrations will shift for different perturbations. Example includes changes in reaction vessel volume, changing amount of solid product, adding inert gas, and adding a catalyst. Chemistry
06:47 Popular
Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

1,484 views / 0 likes - added 8 years ago

How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity
02:55 Popular
Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

1,220 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
04:01 Popular
Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

1,150 views / 0 likes - added 8 years ago

Learn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr
04:10 Popular
Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

1,172 views / 0 likes - added 8 years ago

Learn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-
24:47
Linear Algebra: Parametric Representations of Lines

560 views / 0 likes - added 9 years ago

Linear Algebra: Parametric Representations of Lines in R2 and R3 More free lessons at: http://www.khanacademy.org/video?v=hWhs2cIj7Cw
00:42
The Algebra Plant #shorts

152 views / 0 likes - added 1 year ago

A tremendous amount of math is found in nature, and it's most obvious in Fibonacci/Golden Ratio patterns in the world's flora. But the Schumanniophyton problematicum plant's leaves are determined by algebra, and a simple equation can tell you exactly how
01:38
Softstop Barrier System by LASERVISION

215 views / 0 likes - added 2 years ago

The Softstop™ Barrier System solution was developed from Laservision’s Government endorsed Research & Development facility. The emergency response system was primarily designed for vehicle tunnels and has the key objectives of Safety (prev
02:41 Popular
Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

1,126 views / 0 likes - added 8 years ago

Learn how to multiply (9 * 10^9) (-2 * 10^-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude?utm_source=YT&utm_m
00:59
The Massive Number 11 Trick #shorts

176 views / 0 likes - added 2 years ago

You can take any number with 2 or more digits and determine almost instantly whether it's divisible by 11, and the method is actually really, really easy -- even for a number like 2,399,317,565,387,204.All it takes is simple addition and alternating betwe
07:21 Popular
The Solar System -- Our Home In Space

1,569 views / 0 likes - added 8 years ago

An Infographic trip through the wonders of the solar system. The solar system - well known from countless documentaries. 3D animation on black background. This infographic videos tries something different. Animated infographics and a focus on minimalistic
06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,593 views / 0 likes - added 7 years ago

Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that
10:10 Popular
IIT JEE Hairy Trig and Algebra (part 1)

711 views / 0 likes - added 9 years ago

2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc
47:36
Completing the square - Live algebra lesson

635 views / 0 likes - added 6 years ago

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 :)
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,087 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

826 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
05:10
Mathematical Closure

512 views / 0 likes - added 8 years ago

Understanding what it means for a set to be closed under an operation.
09:54
IIT JEE Hairy Trig and Algebra (Part 2)

692 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM
06:28
IIT JEE Hairy Trig and Algebra (Part 3)

676 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM
54:07 Popular
Logic Gates, Truth Tables, Boolean Algebra AND, OR, NOT, NAND & NOR

1,348 views / 0 likes - added 3 years ago

This electronics video provides a basic introduction into logic gates, truth tables, and simplifying boolean algebra expressions. It discusses logic gates such as the AND, OR, NOT, NAND and NOR Gates. This video is for college students who are taking intr
12:23
What's the Biggest Number That You Could Count To?

497 views / 0 likes - added 4 years ago

Start learning complex topics simply for 20% off by being one of the first 200 to sign up at http://Brilliant.org/reallifelore Check out my new channel FakeLifeLore! https://www.youtube.com/channel/UC-vzYTutOl2ZFq6KcT9F0HAFollow Joseph from RLL on Instagr
04:58 Popular
How the world's first subway system was built - Christian Wolmar

810 views / 0 likes - added 6 years ago

Learn more about our student voice program, TED-Ed Clubs: http://bit.ly/2J5g4eS View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmar It was the dawn of 1863, and London's not-yet-opened subway system
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06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

920 views / 0 likes - added 6 years ago

Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

573 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
04:29
Mathematical Present Wrapping

604 views / 0 likes - added 8 years ago

Mathematician Katie Steckles takes you through some mathematically satisfying ways to wrap presents using paper.
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07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,245 views / 0 likes - added 6 years ago

Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l
01:59 Popular
Graphing Inequalities on a Number Line

1,030 views / 0 likes - added 5 years ago

When graphing inequalities on a number line, the number line should have 0 in the center and negative numbers on the left side, with positive numbers on the right. Graph inequalities, such as X is greater than 2, with tips from a math teacher in this free
10:42
e - Famed Euler's Number.

559 views / 0 likes - added 7 years ago

Free trial at The Great Courses Plus: http://ow.ly/tKWt306Gg7a Dr James Grime discusses "e" - the famed Euler's Number. A bit extra from this video: https://youtu.be/uawO3-tjP1c More James Grime videos from Numberphile: http://bit.ly/grimevideos NUMBERPHI
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Can You INVENT a Number? Yes. #shorts

196 views / 0 likes - added 2 years ago

What do you do when you've got a mathematical expression that's unsolvable because the numbers you need don't exist? You do what Hero of Alexandria did: you just invent one. That's how we got the concept of imaginary numbers, which Rene Descartes derided
06:07 Popular
History Vs. Genghis Khan - Alex Gendler

1,058 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-genghis-khan-alex-gendler He was one of the most fearsome warlords who ever lived, waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier w
13:05
How To Graph Equations in Algebra

573 views / 0 likes - added 3 years ago

This algebra video tutorial explains how to graph equations such as linear equations in slope intercept form & standard form as well as quadratic functions using transformations, factoring, & setting up a data table.Algebra Textbooks:https://amzn.to/3cetP
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Digestive System: Ingestion to Egestion Explained in Simple Words

495 views / 0 likes - added 1 year ago

The digestive system is the system that helps us break down the food we eat to its basic nutrients so that our body can use those nutrients to get energy. The digestive system is composed of the long continuous alimentary tract or gastrointestinal tract (
01:15 Popular
Sesame Street: Number 5 Safari (The Adventures of Salty&Pierre)

720 views / 0 likes - added 9 years ago

It's time for another number Safari with Salty and Pierre. It is said that somewhere in their backyard lurks the number five. While it's location is a mystery, the number five is probably somewhere after the number 4 and before the number 6. Watch and fin
00:59 Popular
Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy

957 views / 0 likes - added 8 years ago

Learn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-fractions-on-the-number-line/e/fractions_on_the_number_lin
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,128 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
07:54 Popular
Tour The Solar System From Home - Jon Nguyen

709 views / 1 likes - added 8 years ago

Want to navigate the solar system without having to buy that expensive spacecraft? Jon Nguyen demos NASAJPL's "Eyes on the Solar System" -- free-to-use software for exploring the planets, moons, asteroids, and spacecraft that rotate around our sun in real
06:20
Buffer System

618 views / 1 likes - added 8 years ago

Buffer system
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