Term
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Definition
an estimation strategy for finding sums
EX. 97+102+112 is like
100+100+100 |
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Term
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Definition
| to find about how many or about how much by expressing a number to the nearest 10, 100, 1,000 and so on |
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Term
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Definition
numbers that are close to the original number and easy to work with mentally
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Term
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Definition
| to use place value to exchange equal amounts when renaming a number |
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Term
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Definition
| answer to a subtraction problem |
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Definition
| answer to an addition problem |
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Term
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Definition
| to decide if one number is greater than, less than or equal to another number |
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Definition
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Term
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Definition
>
having a greater value than |
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Term
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Definition
<
having a smaller value than |
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