6th Grade Math

I don't understand how to "estimate the range". The question is...
Estimate a range for each sum.
7.8+31.39+6.95

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  1. I could say
    7 + 31 + 6 = 44 low
    or
    8 + 32 + 7 = 47 high
    but that would be kind of silly
    and I would be more likely to estimate using nearest whole numbers
    8 + 31 + 7 = 46

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    posted by Damon

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