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Chapters 12 - 14
Vocabulary
| Vocabulary | Definitions |
|---|---|
| group | a collection of items that share the same attributes |
| divide | to separate into equal groups |
| dividend | the number that is being divided in a division problem |
| divisor | the number that divides the dividend |
| quotient | the number, not including the remainder, that is the result of dividing |
| inverse operations | mathematical actions that undo each other, or that are opposites |
| variable | a symbol or letter, used in mathematics, that represents a number of many numbers |
| fact family | a set of related number sentences |
| expression | part of a number sentence that combines numbers and operation signs, but does not include an equal sign |
| equation | a mathematical sentence that states the equality between two quantities |