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July 29, 2015

Homework Help: math

Posted by tyler on Sunday, September 23, 2007 at 4:09pm.

4th grade math homework. rounding sums and differences.
paper say "round each number to its highest place. then estimate the sum or difference."
example says 92 +28=
then says round to 90 and 30 to make 120.
further down numbers get larger
12646 + 9103=
do i round to the tens place or the hundreds place

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