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Add. & Sub. Whole #s
Addition& Subtraction of Whole Numbers
| Question | Answer |
|---|---|
| addend | any number used to get a sum (the numbers you add together) |
| sum | answer to an addition problem |
| difference | answer to a subtraction problem |
| inverse operations | two operations that undo each other, ex: addition & subtraction |
| identity property of addition | sum of any numer and zero is that number |
| commutative property of addition | numbers can be added in any order and the sum remains the same |
| associative property of addition | addends can be regrouped (added in any order) and the sum remains the same |