This activity allows students to practice determining whether or not a problem was correct solved. The students cut out the problems at the bottom of the sheet and sort them accordingly.

One sheet for each of the following:

-single digit + single digit

-double digit + single digit

-double digit + double digit without regrouping

-double digit + double digit with regrouping

-single digit - single digit

-double digit - single digit

-double digit - double digit without borrowing

-double digit - double digit with borrowing

-multiplication level 1

-multiplication level 2

-multiplication level 3

-division level 1

-division level 2

-division level 3