| A | B |
| whole numbers | {1, 2, 3, . . .} |
| counting numbers | {0, 1, 2, 3, . . .} |
| integers | {. . . , -3, -2, -1, 0, 1, 2, 3, . . .} |
| real numbers | all positive and negative numbers |
| rational number | any number that can be expressed as a fraction |
| irrational number | any number that cannot be expressed as a fraction |
| origin | point labeled 0 |
| positive numbers | numbers to thr right of zero |
| negative numbers | numbers to the left of zero |
| graph of a number | point on a number line |
| coordinate | number that corresponds to a point |
| closure | the sum or product of real numbers is a real number |
| commutative property | order of addion or multiplication doesn't matter |
| associative property | addion or mutiplication can be groupe in any order |
| identity porperty | result is identical to original number |
| base | factor of repeated multiplication |
| exponent | number of identical factors |
| variable | symbol used to represent a number |
| term | value to be added or subtracted |
| coefficient | numerical part of a term |
| like terms | terms with the same variable(s) and exponent(s) |
| equation | statement equation two expressions |
| solution | value that make the equation true |
| linear equation | equation of a line |
| equivalent equations | equations with the same solution |
| verbal model | an equation using words |
| algebraic model | equation using constants and variables |
| inequality | a statement that one quantity is greater or less than another |
| compound inequality | an inequality with two statements |
| absolute vale | distance a number is from zero |