← 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 576 · 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 + 74 =
  2. 2.55 + 78 =
  3. 3.41 + 86 =
  4. 4.23 + 33 =
  5. 5.85 + 74 =
  6. 6.85 + 17 =
  7. 7.27 + 66 =
  8. 8.55 + 37 =
  9. 9.47 + 51 =
  10. 10.41 + 66 =
  11. 11.38 + 31 =
  12. 12.38 + 19 =
  13. 13.67 + 23 =
  14. 14.24 + 43 =
  15. 15.22 + 61 =
  16. 16.72 + 49 =
  17. 17.66 + 53 =
  18. 18.51 + 37 =
  19. 19.56 + 61 =
  20. 20.83 + 84 =
  21. 21.67 + 82 =
  22. 22.88 + 82 =
  23. 23.83 + 51 =
  24. 24.30 + 82 =
  25. 25.34 + 14 =
  26. 26.47 + 13 =
  27. 27.51 + 13 =
  28. 28.38 + 77 =
  29. 29.85 + 23 =
  30. 30.78 + 17 =
  31. 31.38 + 71 =
  32. 32.40 + 49 =
  33. 33.37 + 63 =
  34. 34.32 + 29 =
  35. 35.87 + 65 =
  36. 36.79 + 19 =
  37. 37.67 + 65 =
  38. 38.84 + 69 =
  39. 39.68 + 86 =
  40. 40.25 + 57 =

Answer key

  1. 121
  2. 133
  3. 127
  4. 56
  5. 159
  6. 102
  7. 93
  8. 92
  9. 98
  10. 107
  11. 69
  12. 57
  13. 90
  14. 67
  15. 83
  16. 121
  17. 119
  18. 88
  19. 117
  20. 167
  21. 149
  22. 170
  23. 134
  24. 112
  25. 48
  26. 60
  27. 64
  28. 115
  29. 108
  30. 95
  31. 109
  32. 89
  33. 100
  34. 61
  35. 152
  36. 98
  37. 132
  38. 153
  39. 154
  40. 82

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