HSP Chapter 2 Word Scramble
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| Question | Answer |
| estimate | a number close to an exact amount |
| compatible numbers | numbers that are easy to compute mentally |
| fact family | a set of related multiplication and division, or addition and subtraction equations |
| inverse operations | operations that undo each other Addition and subtraction are inverse operations. |
| round | to replace a number with another number that tells about how many or how much |
| front-end estimation | a method of estimating a sum or difference by using the front digit of the number and substituting zeros for the other digits |
| regroup | to exchange amounts of equal value to rename a number |
| sum | the answer to an addition problem |
| difference | the answer to a subtraction problem |
Created by:
mrsodenbach
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