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Ch. 2 My Math
Addition
Term | Definition |
---|---|
Associative Property of Addition | states that the way addends are grouped does not change the sum |
Commutative Property of Addition | states that the order in which two numbers are added does not change the sum |
Identity Property of Addition | states that the sum of any number and zero is the number |
parentheses | symbols which show grouping |
estimate | a number close to the exact number |
regroup | to rename a number using place value |