Thinkabara

Two-Digit Subtraction Within 100

2nd Grade Common Core 2.NBT.B.5

Subtract the ones, then the tens. Borrow a ten when you need to.

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Two-Digit Subtraction Within 100

  1. 39 − 33 = 6
  2. 45 − 22 = 23
  3. 55 − 18 = 37
  4. 64 − 24 = 40
  5. 49 − 9 = 40
  6. 43 − 27 = 16
  7. 73 − 49 = 24
  8. 48 − 24 = 24
  9. 38 − 32 = 6
  10. 54 − 13 = 41
  11. 83 − 12 = 71
  12. 63 − 29 = 34
  13. 80 − 12 = 68
  14. 91 − 72 = 19
  15. 75 − 63 = 12
  16. 41 − 22 = 19
  17. 50 − 44 = 6
  18. 37 − 13 = 24
  19. 55 − 49 = 6
  20. 86 − 53 = 33