In this Let's Workout Our Brain Add Subtract Within 20 Activity, students fluently add and subtract within 20 using mental strategies.

In this Let's Go on a Trip Addition Subtraction Within 100 Activity, students add and subtract within 1000, using concrete models or drawings and strategies.

Using Count Back Activity, students count back from one number to another number to solve the subtraction equations.

Using Subtraction BINGO, students play BINGO to solve subtraction problems to 20 and build fact fluency.