Commutative Property of Addition, numbers can be added in any order and the sum remains the same. Example: 3+8=11 or 8+3=11, Associative Property of Addition, Addends can be regrouped and the sum remains the same. Example: (3+8)+2= 13 or 8+(3+2)=13, Identity Property of Addition, The sum of any number and zero is that number. Example: 6+0=6, Counting on, Counting up from the lesser number to the greater number to find the difference of the two numbers., Compensation, Choosing numbers close to the numbers in a problem to make the computation easier, and then adjusting the answer to the numbers chosen., Variable, A symbol or letter that stands for a number. Example: 62+X=72 X=10, Algorithm, A set of steps used to solve a math problem., Inverse Operation, Operations that undo each other.

Math Topic 2 Vocab

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