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7 Cards in this Set
- Front
- Back
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addend
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a number to be added
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sum
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the answer in an addition problem
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Zero Property
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when one of the two addends is zero, the sum is the same as the other addend
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difference
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the answer when you are subtracting
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fact family
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related facts which use the same numbers
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Commutative Property
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when adding, the order of the numbers doesn't change the answer
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Associative Property
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when adding, the way that you group the numbers doesn't change the answer
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