| A | B |
| absolute vale | the distance from 0 to that number on a number line |
| common factor | a number that is a factor of two or more numbers |
| common multiple | a number that is a multiple of two or more numbers |
| factor | a number that divides exactly into a given number |
| greatest common factor (GCF) | the greatest number that is a common factor of two or more numbers |
| integers | whole numbers and their opposites |
| least common multiple (LCM) | the least number that is a common multiple of two or more numbers |
| multiple | a number that is the product of the given number and a nonzero number |
| negative integers | integers less than 0 |
| nonnegative | either 0 or a positive number |
| opposite of an integer | the integer that is the same distance from 0 on a number line as the given integer, but in the opposite direction |
| perfect square | a whole number that is the product of another number and itself |
| positive integers | integers greater than 0 |
| radical sign | another name for the square root symbol |
| square root | a number that when multiplied by itself is equal to a given number |