Mathematics

Jeffrey Coolidge, Getty Images

Positive and Negative Numbers Cheat Sheet

Working with powers of 10 is simply a matter of moving the decimal point. - Caspar Benson, Getty Images

How Powers of Ten Work in Math

Simple interest may seem confusing, but if you work through practice worksheets you'll master it in no time! - blackred, Getty Images

Practice Calculating Simple Interest With Free Worksheets

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Mathematics
The Latest in Mathematics
Here's How You Can Always Remember the Definition of an Acute Angle
Learn how an acute angle is defined and how to remember that definition. Plus, see numerous examples of acute angles in real life.
Learn Useful Trigonometric Formulas
See common trigonometric formulas for sines, cosines and tangents. See how to find the values for triangles so you can apply these math concepts.
The rise (change in Y) over run (change in X) can be used to find the slope of each line segment on a graph. - Paul Bradbury, Getty Images
Learn the Formula for a Slope
See how to find the slope of a line on a graph using the slope formula, rise over run and get shortcuts for parallel and perpendicular line slopes.
Simple debt amortization can help you figure out car and home payments to see how they affect your loan. - Peter Dazeley, Getty Images
Use Simple Debt Amortization To Calculate Loan Payments
Here's how to use business math for amortizing a debt using a simple interest rate and periodic payments and how interest affects loan balance.
Working with powers of 10 is simply a matter of moving the decimal point. - Caspar Benson, Getty Images
How Powers of Ten Work in Math
Learn about the powers of base 10 to help with scientific notation and understand what millions, billions, millionths, and billionths look like.
Portrait of John Napier (Edinburgh, 1550-1617), Baron of Merchiston, Scottish mathematician, astronomer, astrologer and physicist. - DEA PICTURE LIBRARY, Getty Images
The Biography of Mathematician John Napier
John Napier famous mathematician. Here is his biography and a look at his key math contributions.
The usual way to learn long division is confusing and requires memorizing routines. There's an easier way to do division. - Kevin Spreekmeester, Getty Images
Here's a Better Way to Teach Long Division
Here's a better way to teach (or learn) long division that avoid rote memorization, making division more intuitive and easier to do.
Math is already its own language, so make sure you know the meaning of words used to describe it! - RunPhoto, Getty Images
Look Up Math Definitions With This Handy Glossary
This is a glossary of math definitions for common and important mathematics terms used in arithmetic, geometry, and statistics.
The circumference of a circle is its perimeter or how far around it is. - Daniel Allan, Getty Images
How to Find the Circumference of a Circle
Learn what the circumference of a circle is and how to calculate it. The formula and example problems are given.
How much blood was spilled in the Civil War?
Probability and guesstimates. Normal distribution. problem-solving
Volume Cubes - D. Russell
Volume Cube Worksheets
Volume cube worksheets to to calculate the volume of the 2- dimensional shapes. Common core geometry worksheets.
Compound interest explained.
Compound interest and how it affects borrowing costs in investment math
What is Per Cent
per cent explained. fractions and per cents. hundred recognition
equation editor in google
Math add ons for Google docs
Handy add ons and tools for Google that assist in math activities and concepts in a document.
Lines and Angles - Sample Questions
Sample questions on parallel lines and angles. Complementary angle questions.
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