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Chapter 3 Math Vocab
3rd grade ch. 3 properties of subtraction
Question | Answer |
---|---|
A way to express a math idea using numbers and operational symbols | Number Sentence |
A number close to an exact value | Estimate |
The answer in a subtraction problem | Difference |
To take apart a number to write it in a new way | Regroup |
Uses the front digit of a number and replaaces the other digits with zeros | Front-end Estimation |
An operation that tells the difference, when some or all are taken away. | Subtraction |
When you are completing a subtraction problem, the answer is known as the ________________. | Difference |
15 ones = 1 ten 5 ones. This is the correct way to __________. | Regroup |
427-106 is about 300. This is an example of ____________. | Estimation |