Common Core Standards 1.NBT.C4 emphasize two focus areas in 1st grade:
- Two-digit addition and subtraction without regrouping
- Two-digit addition and subtraction with regrouping
The Friday freebie below includes two-digit addition and subtraction with and without regrouping worksheets .It can help your first graders reinforce their skills and it is perfect to review in 2nd grade.
Download this free resource by clicking Here or either from the picture below.
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