Thinkabara

Two-Digit Addition Within 100

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

Add the tens, then add the ones. Regroup when the ones make 10 or more.

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Two-Digit Addition Within 100

  1. 41 + 28 = 69
  2. 36 + 54 = 90
  3. 14 + 18 = 32
  4. 41 + 25 = 66
  5. 45 + 49 = 94
  6. 73 + 23 = 96
  7. 73 + 10 = 83
  8. 18 + 31 = 49
  9. 14 + 43 = 57
  10. 55 + 21 = 76
  11. 62 + 11 = 73
  12. 70 + 6 = 76
  13. 51 + 23 = 74
  14. 22 + 60 = 82
  15. 35 + 63 = 98
  16. 38 + 27 = 65
  17. 22 + 20 = 42
  18. 64 + 14 = 78
  19. 31 + 26 = 57
  20. 56 + 14 = 70