Worksheet

Missing Number Facts Within 20

Grade 2 Math Worksheet - Challenge Me

NameDate

Find the missing number.

  1. 7 + = 18

  2. 3 + = 13

  3. 9 + = 18

  4. 13 + = 17

  5. 10 + = 14

  6. 6 + = 18

  7. 10 + = 16

  8. 5 + = 15

  9. 5 + = 19

  10. 10 + = 19

  11. 9 + = 19

  12. 8 + = 13

  13. 5 + = 11

  14. 8 + = 15

  15. 7 + = 12

  16. 7 + = 19

  17. 4 + = 18

  18. 14 + = 17

  19. 4 + = 20

  20. 5 + = 14

PencilGopencilgo.com

Missing Number Facts Within 20

Answer Key - Grade 2 Math Worksheet - Challenge Me

Find the missing number.

  1. 7 + 11 = 18

  2. 3 + 10 = 13

  3. 9 + 9 = 18

  4. 13 + 4 = 17

  5. 10 + 4 = 14

  6. 6 + 12 = 18

  7. 10 + 6 = 16

  8. 5 + 10 = 15

  9. 5 + 14 = 19

  10. 10 + 9 = 19

  11. 9 + 10 = 19

  12. 8 + 5 = 13

  13. 5 + 6 = 11

  14. 8 + 7 = 15

  15. 7 + 5 = 12

  16. 7 + 12 = 19

  17. 4 + 14 = 18

  18. 14 + 3 = 17

  19. 4 + 16 = 20

  20. 5 + 9 = 14