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7 Cards in this Set

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