Subtraction practice

Solve each problem. Use the scratch space if you need it.

1. 69 - 2=____
2. 94 - 67=____
3. 52 - 12=____
4. 54 - 32=____
5. 2 - 1=____
6. 61 - 60=____
7. 7 - 3=____
8. 12 - 7=____