Help students master efficient subtraction. These animated slides introduce the concept of adjusting numbers to make subtraction easier by creating friendly numbers (like 10, 20, or 100), and then compensating to keep the answer accurate.
What’s included:
Clear explanation of what compensation is and why it works
2 visual representation options for flexibility in teaching
6 worked examples showing each step clearly
5 interactive “Your Turn” slides to model the process with students
4 “Find the Mistake” challenge slides