Here's s simple Holiday themed addition and subtraction with regrouping practice using 3-digit numbers. Students can used ballpark estimates to check their work.
My students needed some extra practice with using ballpark estimates with addition and subtraction with regrouping. They also needed to work on stacking numbers to solve. This pack is great for both!
This activity includes:
-8 3-digit addition cards
-8 3-digit subtraction cards
-recording sheets for addition and subtraction sets with and without ballpark estimates
-answer key which includes rounding 3-digit numbers to the nearest ten and hundred.