Teachers, save “Mystery Number: 2-Digit Subtractions” to assign it to your class.

1. Click 2. Erase one box on the top row. 3. Erase one box on the bottom row. 4. Click 5. Type the top number first in the number sentences. 6. Type the bottom number second in the number sentences. 7. Solve the number sentences and find the difference. 8. Click