Homework Help: Math

Posted by Kelly on Thursday, September 15, 2011 at 9:02pm.

Melvin estimate 645 + 322 by adding 600 + 300. Is his estimate sum an over or under estimate please?

Ty

Math - PsyDAG, Friday, September 16, 2011 at 10:01am
Since both of the estimates are under the actual amounts, what do you think?

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