← 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 4 · 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 + 25 =
  2. 2.44 + 73 =
  3. 3.68 + 58 =
  4. 4.29 + 63 =
  5. 5.78 + 14 =
  6. 6.73 + 17 =
  7. 7.80 + 57 =
  8. 8.35 + 25 =
  9. 9.84 + 58 =
  10. 10.84 + 45 =
  11. 11.36 + 85 =
  12. 12.59 + 81 =
  13. 13.43 + 85 =
  14. 14.84 + 19 =
  15. 15.25 + 66 =
  16. 16.64 + 89 =
  17. 17.85 + 71 =
  18. 18.21 + 54 =
  19. 19.47 + 12 =
  20. 20.72 + 59 =
  21. 21.66 + 15 =
  22. 22.80 + 37 =
  23. 23.55 + 67 =
  24. 24.38 + 19 =
  25. 25.62 + 37 =
  26. 26.71 + 38 =
  27. 27.29 + 15 =
  28. 28.88 + 57 =
  29. 29.22 + 89 =
  30. 30.54 + 85 =
  31. 31.55 + 88 =
  32. 32.27 + 63 =
  33. 33.46 + 18 =
  34. 34.39 + 12 =
  35. 35.64 + 71 =
  36. 36.53 + 26 =
  37. 37.79 + 81 =
  38. 38.59 + 21 =
  39. 39.62 + 78 =
  40. 40.75 + 59 =

Answer key

  1. 114
  2. 117
  3. 126
  4. 92
  5. 92
  6. 90
  7. 137
  8. 60
  9. 142
  10. 129
  11. 121
  12. 140
  13. 128
  14. 103
  15. 91
  16. 153
  17. 156
  18. 75
  19. 59
  20. 131
  21. 81
  22. 117
  23. 122
  24. 57
  25. 99
  26. 109
  27. 44
  28. 145
  29. 111
  30. 139
  31. 143
  32. 90
  33. 64
  34. 51
  35. 135
  36. 79
  37. 160
  38. 80
  39. 140
  40. 134

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