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Topic 2 Vocabulary
Fluently Add and Subtract Multi-Digit Whole Numbers
Term | Definition |
---|---|
Commutative Property of Addition | States that numbers can be added in any order and the sum remains the same |
Identity Property of Addition | States the sum of any number and zero is that number. |
Compensation | Choosing numbers close to the numbers in a problem to make the computation easier, and then adjusting the answer for the numbers chosen. |
Algorithm | A set of steps used to solve a math problem. |
Associative Property of Addtion | States that addends can be regrouped and the sum remains the same |
Counting On | Counting up from the lesser number to the greater number to find the difference of two numbers. |
Variable | A symbol or letter that stands for a number. |
Inverse Operations | Operations that can undo each other. |