Sheet 6: Addition
Copy and complete.

1. 23 + 6 + 2 = 20. 25 = 4 + __
2. 42 + 7 + 9 = 21. 25 = 5 + __
3. 15 + 3 + 8 = 22. 25 = 10 +__
4. 26 + 10 + 2 = 23. 25 = 3 + __
5. 59 + 10 + 0 = 24. 101 + 2 + 3 =
6. 23 + __ + 1 = 25 25. 32 + 3 + 4 =
7. 34 + __ + 3 = 40 26. 36 + 4 + 5 =
8. 56 + __ + 6 = 65 27. 99 + __ + 2 = 105
9. __ + 3 + 4 = 10 28. 101 + 123 =
10. __ + 5 + 9 = 20 29. 239 + 23 =
11. __ + 3 + 3 = 9 30. 82 + 3 + 1 =
12. __ + __ = 8 31. 87 + 3 + 2 =
13. __ + 1 + __ = 10 32. 65 + 2 + 1=
14. __ + 2 + __ = 11 33. 65 + 3 + 2 =
15. __ + 3 + __ = 12 34. 33 + 5 + 2 =
16. 12 + 2 + 2 + 2 + 2 + 2 = 35. 99 + 22 =
17. 12 + 10 = 36. 23 + 2 =
18. 6 + 6 + 10 = 37. 85 + 1 + 0 =
19. 3 + 3 + 3 + 3 + 10 = 38. 50 + 2 =


Created by Jane Chappell - Teaching Ideas for Primary Teachers - http://www.teachingideas.co.uk