This document lists ways to make the number 10 using addition and subtraction. It shows 10 can be made by adding different combinations of single-digit numbers that add to 10. It also shows subtraction examples calculating the difference between two numbers that are close in value such as 30-20, 500-490, and 1,000-990.

1. All the Ways to Make 10

2. 4+6

3. 5+5

4. 10+0

5. 7+3

6. 8+2

7. 3+7

8. 9+1

9. 1+9

10. 2+8

11. 6+4

12. 0+10

13. Now some tricky ones….(Subtraction)

14. 30-20

15. 500-490

16. 11-1

17. 100-90

18. 110-100

19. 1,000-990

20. 12-2

21. 12,000-11,990