← 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 394 · 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. 1.44 + 62 =
  2. 2.60 + 17 =
  3. 3.23 + 74 =
  4. 4.45 + 12 =
  5. 5.77 + 63 =
  6. 6.49 + 82 =
  7. 7.77 + 19 =
  8. 8.41 + 36 =
  9. 9.59 + 53 =
  10. 10.86 + 76 =
  11. 11.36 + 34 =
  12. 12.31 + 16 =
  13. 13.80 + 31 =
  14. 14.23 + 49 =
  15. 15.70 + 14 =
  16. 16.44 + 66 =
  17. 17.63 + 12 =
  18. 18.50 + 71 =
  19. 19.59 + 81 =
  20. 20.34 + 88 =
  21. 21.84 + 29 =
  22. 22.78 + 19 =
  23. 23.82 + 15 =
  24. 24.81 + 25 =
  25. 25.44 + 72 =
  26. 26.76 + 26 =
  27. 27.65 + 43 =
  28. 28.44 + 68 =
  29. 29.49 + 32 =
  30. 30.69 + 66 =
  31. 31.53 + 57 =
  32. 32.77 + 67 =
  33. 33.27 + 26 =
  34. 34.74 + 81 =
  35. 35.78 + 43 =
  36. 36.27 + 37 =
  37. 37.41 + 24 =
  38. 38.23 + 81 =
  39. 39.68 + 87 =
  40. 40.60 + 15 =

Answer key

  1. 106
  2. 77
  3. 97
  4. 57
  5. 140
  6. 131
  7. 96
  8. 77
  9. 112
  10. 162
  11. 70
  12. 47
  13. 111
  14. 72
  15. 84
  16. 110
  17. 75
  18. 121
  19. 140
  20. 122
  21. 113
  22. 97
  23. 97
  24. 106
  25. 116
  26. 102
  27. 108
  28. 112
  29. 81
  30. 135
  31. 110
  32. 144
  33. 53
  34. 155
  35. 121
  36. 64
  37. 65
  38. 104
  39. 155
  40. 75

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