Math Quiz: Unit 2
About this set
Created by:
alabasterlilies on October 11, 2010
Subjects:
math vocabulary 7th grade, properties, number sets
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14 terms
Terms | Definitions |
|---|---|
 natural numbers | all positive integers; also called counting numbers |
| whole numbers | all positive integers and 0 |
| integers | positive, negative, and 0 |
| rational numbers | any number that can be expressed as a fraction |
| real numbers | any number except for the root of a negative |
| Commutative of Addition or Multiplication | a+b=b+a You can change order without changing answer |
| Associative of Addition or Multiplication | (a+b)+c=a+(b+c) You can change grouping symbols without changing answer |
| Additive Identity | The sum of zero and any number is the number |
| Additive Identity | The sum of any number and its opposite is zero |
| Multiplicative Identity | You can multiply any number by 1 and get the number |
| Multiplicative of 0 | a times 0=0 |
| Multiplicative of -1 | a times -1=-a |
| Multiplicative Inverse | When two reciprocals multiply, the product is zero |
| term | the parts of an expression separated by zero |
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