← 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 118 · 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. 1.47 + 79 =
  2. 2.78 + 86 =
  3. 3.49 + 45 =
  4. 4.49 + 28 =
  5. 5.42 + 61 =
  6. 6.88 + 67 =
  7. 7.40 + 58 =
  8. 8.26 + 72 =
  9. 9.34 + 41 =
  10. 10.57 + 35 =
  11. 11.79 + 17 =
  12. 12.68 + 36 =
  13. 13.61 + 71 =
  14. 14.79 + 41 =
  15. 15.39 + 25 =
  16. 16.66 + 18 =
  17. 17.33 + 35 =
  18. 18.49 + 34 =
  19. 19.68 + 35 =
  20. 20.34 + 49 =
  21. 21.71 + 13 =
  22. 22.40 + 84 =
  23. 23.64 + 32 =
  24. 24.43 + 59 =
  25. 25.88 + 26 =
  26. 26.48 + 81 =
  27. 27.31 + 24 =
  28. 28.24 + 29 =
  29. 29.59 + 26 =
  30. 30.59 + 37 =
  31. 31.25 + 21 =
  32. 32.32 + 55 =
  33. 33.87 + 56 =
  34. 34.77 + 45 =
  35. 35.59 + 22 =
  36. 36.68 + 12 =
  37. 37.61 + 61 =
  38. 38.53 + 71 =
  39. 39.26 + 75 =
  40. 40.84 + 37 =

Answer key

  1. 126
  2. 164
  3. 94
  4. 77
  5. 103
  6. 155
  7. 98
  8. 98
  9. 75
  10. 92
  11. 96
  12. 104
  13. 132
  14. 120
  15. 64
  16. 84
  17. 68
  18. 83
  19. 103
  20. 83
  21. 84
  22. 124
  23. 96
  24. 102
  25. 114
  26. 129
  27. 55
  28. 53
  29. 85
  30. 96
  31. 46
  32. 87
  33. 143
  34. 122
  35. 81
  36. 80
  37. 122
  38. 124
  39. 101
  40. 121

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