← Add 2-digit numbers left to right lesson New set →

Mental Addition Worksheet for Class 2 and 3

Mental maths lesson 6: Add 2-digit numbers left to right · Set 660 · 40 questions
TalentJR

How to do it in your head (Tens first): Keep the first number as it is. Add the tens of the second number. Add the ones.

NameDateTime takenScore ___ / 40
  1. 1.89 + 22 =
  2. 2.84 + 81 =
  3. 3.40 + 37 =
  4. 4.89 + 52 =
  5. 5.37 + 64 =
  6. 6.36 + 85 =
  7. 7.77 + 51 =
  8. 8.85 + 58 =
  9. 9.70 + 24 =
  10. 10.68 + 45 =
  11. 11.29 + 86 =
  12. 12.72 + 62 =
  13. 13.76 + 84 =
  14. 14.75 + 36 =
  15. 15.61 + 39 =
  16. 16.88 + 36 =
  17. 17.41 + 49 =
  18. 18.38 + 73 =
  19. 19.75 + 84 =
  20. 20.79 + 61 =
  21. 21.77 + 57 =
  22. 22.45 + 28 =
  23. 23.69 + 26 =
  24. 24.29 + 74 =
  25. 25.46 + 89 =
  26. 26.83 + 27 =
  27. 27.30 + 31 =
  28. 28.51 + 86 =
  29. 29.53 + 31 =
  30. 30.29 + 17 =
  31. 31.30 + 54 =
  32. 32.22 + 22 =
  33. 33.21 + 21 =
  34. 34.41 + 73 =
  35. 35.45 + 15 =
  36. 36.22 + 36 =
  37. 37.35 + 41 =
  38. 38.59 + 89 =
  39. 39.72 + 51 =
  40. 40.65 + 55 =

Answer key

  1. 111
  2. 165
  3. 77
  4. 141
  5. 101
  6. 121
  7. 128
  8. 143
  9. 94
  10. 113
  11. 115
  12. 134
  13. 160
  14. 111
  15. 100
  16. 124
  17. 90
  18. 111
  19. 159
  20. 140
  21. 134
  22. 73
  23. 95
  24. 103
  25. 135
  26. 110
  27. 61
  28. 137
  29. 84
  30. 46
  31. 84
  32. 44
  33. 42
  34. 114
  35. 60
  36. 58
  37. 76
  38. 148
  39. 123
  40. 120

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths