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13 Cards in this Set
- Front
- Back
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addends
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numbers that are added together
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sum
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the answer to ab addition problem. the result of addition
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commutative property
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changing the order of the addends does not change the sum (subtraction is not commutative)
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identity property of addition
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the sum of any number and 0 is equal to the first number
example 5+0=5 |
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difference
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the answer to a subtraction problem; the result of subtraction
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subtrahend
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the number that is taken away in a subtraction problem
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minuend
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the number from which another number is subtracted 5 minuend
- 2 subtrahend __________ 3 |
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inverse operations
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operations that undo each other; addition and subtraction are inverse operations; can udo addition by subtracting one addend fromt eh sum
ex; 4+5=9 9-5=4 |
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fact family
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a set of 3 numbers that can be arranged to form two additon facts and two subtraction facts
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subtrahend
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the number that is taken away in a subtraction problem
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minuend
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the number from which another number is subtracted 5 minuend
- 2 subtrahend __________ 3 |
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inverse operations
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operations that undo each other; addition and subtraction are inverse operations; can udo addition by subtracting one addend fromt eh sum
ex; 4+5=9 9-5=4 |
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fact family
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a set of 3 numbers that can be arranged to form two additon facts and two subtraction facts
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