Easy-to-understand definitions, with illustrations and links to further reading. Browse the definitions using the letters below, or use Search above.

Apr 19, 2010 · Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.

In basic mathematics there are many ways of saying the same thing ... ... bringing two or more numbers (or things) together to make a new total.

Illustrated mathematics dictionary index for the letter A

Illustrated definition of Mean: The Arithmetic Mean is the average of the numbers: a calculated central value of a set of numbers. To...

In Geometry, translation means Moving ... without rotating, resizing or anything else, just moving. To Translate a shape:

Illustrated definition of Expression: Numbers, symbols and operators (+, minus;, x, divide;, etc) put together to represent a value. Examples:...

Illustrated definition of Median: The middle of a sorted list of numbers. To find the median, place the numbers in value order and find the middle...

Illustrated definition of Like Terms: Terms whose variables (such as x or y) with their exponents (such as the 2 in x2) are the same. Examples:...

Illustrated definition of Equation: An equation says that two things are equal. It will have an equals sign = like this: 7 + 2 = 10...