| Term 
 | Definition 
 
        | the answer to a multiplication problem |  | 
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        | Term 
 | Definition 
 
        | a key term that reminds us to estimate |  | 
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        | Term 
 | Definition 
 
        | the answer to a division problem |  | 
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        | Term 
 | Definition 
 
        | to change a number to one less exact but easier for calculations |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | to find an estimate that is greater than the actual answer |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | To give an approximate value rather than an exact answer |  | 
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        | Term 
 | Definition 
 
        | determining which multiple (by place value) is closest to the number |  | 
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        | Term 
 | Definition 
 
        | to find an estimate that is less than the actual answer |  | 
        |  |