Addition Facts to 20 Worksheets
Master addition facts with sums from 11 to 20.
Addition Facts to 20
Name:Date:Score:
Solve each problem.
- 114 + 6 =
- 24 + 16 =
- 32 + 15 =
- 45 + 15 =
- 55 + 13 =
- 66 + 6 =
- 712 + 3 =
- 812 + 0 =
- 99 + 6 =
- 102 + 13 =
- 111 + 19 =
- 122 + 11 =
- 138 + 6 =
- 142 + 17 =
- 155 + 10 =
- 1610 + 8 =
- 1712 + 4 =
- 189 + 11 =
- 197 + 4 =
- 204 + 12 =
- 2115 + 1 =
- 227 + 11 =
- 2313 + 0 =
- 247 + 5 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Addition Facts to 20
Name:Date:Score:
Solve each problem.
- 112 + 4 =
- 220 + 0 =
- 38 + 11 =
- 418 + 0 =
- 53 + 13 =
- 616 + 4 =
- 712 + 0 =
- 812 + 3 =
- 92 + 17 =
- 106 + 7 =
- 118 + 5 =
- 121 + 16 =
- 131 + 15 =
- 145 + 7 =
- 156 + 11 =
- 168 + 8 =
- 177 + 5 =
- 187 + 7 =
- 1916 + 1 =
- 2016 + 2 =
- 2110 + 1 =
- 220 + 15 =
- 2310 + 8 =
- 2411 + 3 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Addition Facts to 20
Name:Date:Score:
Solve each problem.
- 113 + 4 =
- 25 + 11 =
- 317 + 3 =
- 44 + 10 =
- 515 + 5 =
- 611 + 3 =
- 74 + 8 =
- 85 + 8 =
- 96 + 12 =
- 100 + 11 =
- 1113 + 7 =
- 127 + 12 =
- 132 + 17 =
- 148 + 7 =
- 1510 + 9 =
- 162 + 18 =
- 172 + 13 =
- 1814 + 4 =
- 1913 + 0 =
- 204 + 11 =
- 2116 + 3 =
- 2214 + 1 =
- 2313 + 6 =
- 248 + 6 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Answer key — Sheet A (24 answers)
- 1. 20
- 2. 20
- 3. 17
- 4. 20
- 5. 18
- 6. 12
- 7. 15
- 8. 12
- 9. 15
- 10. 15
- 11. 20
- 12. 13
- 13. 14
- 14. 19
- 15. 15
- 16. 18
- 17. 16
- 18. 20
- 19. 11
- 20. 16
- 21. 16
- 22. 18
- 23. 13
- 24. 12
Answer key — Sheet B (24 answers)
- 1. 16
- 2. 20
- 3. 19
- 4. 18
- 5. 16
- 6. 20
- 7. 12
- 8. 15
- 9. 19
- 10. 13
- 11. 13
- 12. 17
- 13. 16
- 14. 12
- 15. 17
- 16. 16
- 17. 12
- 18. 14
- 19. 17
- 20. 18
- 21. 11
- 22. 15
- 23. 18
- 24. 14
Answer key — Sheet C (24 answers)
- 1. 17
- 2. 16
- 3. 20
- 4. 14
- 5. 20
- 6. 14
- 7. 12
- 8. 13
- 9. 18
- 10. 11
- 11. 20
- 12. 19
- 13. 19
- 14. 15
- 15. 19
- 16. 20
- 17. 15
- 18. 18
- 19. 13
- 20. 15
- 21. 19
- 22. 15
- 23. 19
- 24. 14
About this skill
The make-ten strategy is the key: to work out 8 + 6, take 2 from the 6 to make 10 and add the remaining 4 to get 14.
How to teach it
- Teach strategies — counting on, doubles, making ten — alongside the facts.
- Use counters or coins for new ideas before moving to the page.
- Check the ones column first, then the tens, and always write carried numbers small.
Mistakes to watch for
- Forgetting to add the carried number into the next column.
- Starting a column sum from the left instead of the right.
