Mixed Addition and Subtraction to 20

Our Mixed Addition and Subtraction to 20 printable is excellent for 1st and 2nd graders learning to identify and switch between addition and subtraction operations.

How to Solve Mixed Operations

Pay close attention to the operation sign in each problem — plus (+) means add, minus (-) means subtract. Read carefully before solving, as the problems alternate between operations. This practice builds the operational awareness needed for more complex mixed-operation work later.

You can view the preview of this worksheet below, or download the full high-resolution PDF along with the answer key for easy grading.