| A | B |
| Absolute Value | The distance of a number from zero on the number line. |
| Associative Property | In addition or multiplicaton, the result of the expression will remain the same regardless of grouping. |
| Commutative Property | The sum of product of numbers is the same no matter how the numbers are arranged. |
| Integers | The set of whole numbers and their opposites. |
| Irrational Numbers | The set of numbers that cannot be written in the form a/b, where a and b are integers and b is not equal to zerol |
| Natural Numbers | The set of numbers. |
| Negative Numbers | The set of numbers less than zero. |
| Opposite Numbers | Two different numbers that have the same absolute value. |
| Positive Numbers | The set of numbers greater than zero. |
| X-Axis | The horizontal number line which helps to form the coordinate system |
| Y-Axis | The vertical line of the two perpendicular number lines in a coordinate plane. |
| Coordinate plane | A plane in which a horizontal number line and a vertical number line intersect at their zero points. |
| Ordered pair | A pair of number used to locate a point in the coordinate system. |
| X-Coordinate | The first number of an ordered pair. |
| Y-Coordinate | The second number of an ordered pair. |
| Quadrant | One of the four regions into which two perpendicular number lines separate the plane. |
| Rational Numbers | The set of numbers that can be written in the form a/b where a and b are integers and b is not equal to zer. |
| Real Numbers | The set of rational and irrational numbers. |