The Learning Edge

# Arithmetic

## Lecture on Modulo Arithmetic Part 1

Video Rating: / 5

With this mental math trick you will beable to add and subtract in your head rapidly – a critical skill in everyday math. In this video we look at tips on how to do basic addition and subtraction instantly without using a calculator. Fast math is good math!

## How to find the Arithmetic Mean or Average presented by TeachtopiaTV

A brief tutorial on how to find the Arithmetic Mean (often referred to as the Mean or Average). Go to http://Teachtopia.com for more educational videos.

## Solving Addition and Subtraction Word Problems (with Mr. C)

Mr. C teaches you two very important steps to understanding and then solving word problems and number stories.

## Add and Subtract with Significant Figures (1.6)

To see all my Chemistry videos, check out http://socratic.org/chemistry How to do addition and subtraction with significant figures, also known as significant digits.

## More examples of addition and subtraction of polynomials | Algebra II | Khan Academy

If you can’t get enough of Sal adding and subtracting polynomials, here’s a bunch of many more examples. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/polynomial_tutorial/e/adding_and_subtracting_polynomials?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Watch the next lesson: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/polynomial_tutorial/v/multiplying-polynomials?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Missed the previous lesson? https://www.khanacademy.org/math/algebra2/polynomial_and_rational/polynomial_tutorial/v/terms-coefficients-and-exponents-in-a-polynomial?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you […]

## Vectors : scalar multiplication, addition and subtraction : ExamSolutions

Go to http://www.examsolutions.net/maths-revision/index.php to see the main index of maths video tutorials Video Rating: / 5

## Sea monsters and superheroes | Addition and subtraction within 20 | Early Math | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-within-20/e/addition-and-subtraction-word-problems-within-20–level-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-within-20/v/exercising-gorillas?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Missed the previous lesson? https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-equals-sign/v/equal-sign?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, […]

## (IC 5.2) Arithmetic coding – Example #1

A simple example to illustrate the basic idea of arithmetic coding. A playlist of these videos is available at:

## Learn Basic Subtraction with Starfall

Practice your basic subtraction skills while enjoying a game of bowling! Visit http://www.starfall.com for more great activities that make learning fun!

## Subtraction word problems within 10 | Basic addition and subtraction | Early Math | Khan

Learn how to solve word problems by subtracting small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-within-10/e/subtraction-word-problems-within-10?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-teens/v/teens-and-ten?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Missed the previous lesson? https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-within-10/v/addition-word-problems-within-10?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes […]

## Fractions addition and subtraction trick – do them the fast way!

Forget finding common denominators when adding dissimilar fractions – this way is much faster and easier. This video also looks at how to deal with mixed numbers and simplification.