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10 Cards in this Set

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 Addition An operation that tells how many in all when you put together 2 or more numbers. Zero Property of Addition When 1 or 2 addends is zero, the sum is the same as the other addend. Digit Any of the symbols used to write numbers- 0,1,2,3,4,5,6,7,8,and 9. Fact Family A group of related facts using the same numbers. Commutative Property Means that when adding or multiplying, the order of the numbers does not affect the result. Addend A number to be added to another number. Example: 9+6=15 subtraction An operation on two numbers that tells how many are left when some are taken away. It is also used to compare 2 numbers. Difference The result of subtracting one number from another. Example: 7-2=5 Associative Property Means that when adding or multiplying, the grouping of the numbers does not affect the result. Sum The result of addition.