**Subtraction**Games for K-5 - Subtract - splashmath.com

A zero pair describes a pair of numbers whose sum equals zero. One number in this equation will always have a positive sign, while the other number will always have a negative sign. More »

The multiplication and division fact family for the number family two, three and six includes "2x3=6," "3x2=6," "6÷5=2" and "6÷2=3," and the facts that accompany the four, five and 20 family are "4x5=20," "5x4=20," "20÷4... More »

Two vectors with unequal magnitudes cannot have a sum of zero. Two vectors can only add up to zero if the sum of all components equal zero. More »

The associative property of addition is a mathematical law that states that changing the grouping of three or more numbers being added together does not affect their sum. For example, (2 + 3) + 4 equals the same number a... More »

A coordinate graph is a visual method of showing the relationship between a pair of numbers. This relationship is shown on a grid of coordinates composed of horizontal and vertical lines. More »

The zero property of multiplication states that if a times b equals zero, then either a or b (or both) must equal zero. It is also called the zero product property. More »

Binomials can be factored in several ways, which are factoring out the greatest common factor, finding the difference of squares, using addition to find the sum of cubes or using subtraction to find the difference of cub... More »

**Subtraction**Games for K-5 - Subtract - splashmath.com