Adding and subtracting within 20

Year 1 · Worksheet

learnwith.games
NC Y1 · CCSS 1.OA.C.6
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Answer each question.

  1. 13 + 3 = ?
  2. 4 − 0 = ?
  3. 8 − 6 = ?
  4. 0 = ? − 13
  5. ? + 1 = 1
  6. 3 + 1 = ?
  7. 0 = ? − 6
  8. 1 + 16 = ?
  9. 0 − 0 = ?
  10. 5 − 0 = ?
  11. 11 − 7 = ?
  12. 18 − 15 = ?
  13. 8 + 0 = ?
  14. 1 − 0 = ?
  15. 5 = ? − 11
  16. 1 = ? − 0
  17. 8 + 12 = ?
  18. 4 = ? − 4
  19. 6 + 6 = ?
  20. 5 − 5 = ?

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Adding and subtracting within 20

Year 1 · Answer sheet

learnwith.games
NC Y1 · CCSS 1.OA.C.6
  1. 13 + 3 = 16
  2. 4 − 0 = 4
  3. 8 − 6 = 2
  4. 0 = 13 − 13
  5. 0 + 1 = 1
  6. 3 + 1 = 4
  7. 0 = 6 − 6
  8. 1 + 16 = 17
  9. 0 − 0 = 0
  10. 5 − 0 = 5
  11. 11 − 7 = 4
  12. 18 − 15 = 3
  13. 8 + 0 = 8
  14. 1 − 0 = 1
  15. 5 = 16 − 11
  16. 1 = 1 − 0
  17. 8 + 12 = 20
  18. 4 = 8 − 4
  19. 6 + 6 = 12
  20. 5 − 5 = 0

learnwith.games – free to print and copy for home and classroom use. learnwith.games/printables/adding-and-subtracting-within-20/