← 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 743 · 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. 1.57 + 32 =
  2. 2.76 + 38 =
  3. 3.55 + 19 =
  4. 4.23 + 35 =
  5. 5.22 + 46 =
  6. 6.65 + 29 =
  7. 7.48 + 21 =
  8. 8.31 + 13 =
  9. 9.37 + 27 =
  10. 10.32 + 35 =
  11. 11.31 + 28 =
  12. 12.89 + 31 =
  13. 13.55 + 53 =
  14. 14.61 + 18 =
  15. 15.54 + 51 =
  16. 16.49 + 28 =
  17. 17.88 + 29 =
  18. 18.66 + 68 =
  19. 19.28 + 76 =
  20. 20.36 + 52 =
  21. 21.73 + 36 =
  22. 22.54 + 88 =
  23. 23.25 + 18 =
  24. 24.80 + 71 =
  25. 25.66 + 34 =
  26. 26.25 + 48 =
  27. 27.24 + 46 =
  28. 28.52 + 86 =
  29. 29.82 + 88 =
  30. 30.39 + 43 =
  31. 31.41 + 52 =
  32. 32.59 + 86 =
  33. 33.30 + 18 =
  34. 34.23 + 55 =
  35. 35.71 + 31 =
  36. 36.37 + 56 =
  37. 37.87 + 48 =
  38. 38.43 + 54 =
  39. 39.47 + 75 =
  40. 40.79 + 31 =

Answer key

  1. 89
  2. 114
  3. 74
  4. 58
  5. 68
  6. 94
  7. 69
  8. 44
  9. 64
  10. 67
  11. 59
  12. 120
  13. 108
  14. 79
  15. 105
  16. 77
  17. 117
  18. 134
  19. 104
  20. 88
  21. 109
  22. 142
  23. 43
  24. 151
  25. 100
  26. 73
  27. 70
  28. 138
  29. 170
  30. 82
  31. 93
  32. 145
  33. 48
  34. 78
  35. 102
  36. 93
  37. 135
  38. 97
  39. 122
  40. 110

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