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Addition Vocabulary
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Terms in this set (7)
estimate
a number close to the number
parentheses
symbols which show grouping numbers. Shows what to do FIRST in a problem.
sum
the answer to an addition problem
addend
numbers that are added
Commutative Property of Addition
States that the order in which numbers are added does not change the sum. 3+4=4+3
Associative Property of Addition
states that the way addends are grouped does not change the sum
(7+3)+4 = 7+ (3+4)
Identity Property of Addition
states that if you add zero to any number, your answer will be that number.
4+0=0
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