Help students master the 3rd standard of mathematical practice--Construct viable arguments and critique the reasoning of others--while thinking about regrouping with subtraction (2 digit minus 1 digit) with these worksheets.
On each work page:
-3 subtraction number sentences that have been incorrectly regrouped
-a box to list what strategies the student does well
-a box to write a note to the student to help him/her improve
-a box for your student to correctly answer one of the subtraction number sentences
10 different worksheets are included for practice!
Also try out the Second Part of this Math Error Analysis Series
that focuses on two digit minus two digit subtraction with and without regrouping.
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