← 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 76 · 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. 1.33 + 74 =
  2. 2.36 + 77 =
  3. 3.70 + 71 =
  4. 4.65 + 27 =
  5. 5.35 + 81 =
  6. 6.22 + 81 =
  7. 7.36 + 83 =
  8. 8.37 + 51 =
  9. 9.72 + 55 =
  10. 10.77 + 33 =
  11. 11.68 + 84 =
  12. 12.85 + 81 =
  13. 13.82 + 12 =
  14. 14.26 + 25 =
  15. 15.68 + 23 =
  16. 16.86 + 59 =
  17. 17.53 + 64 =
  18. 18.50 + 83 =
  19. 19.67 + 51 =
  20. 20.34 + 19 =
  21. 21.84 + 35 =
  22. 22.78 + 87 =
  23. 23.38 + 49 =
  24. 24.39 + 33 =
  25. 25.26 + 54 =
  26. 26.87 + 43 =
  27. 27.84 + 59 =
  28. 28.58 + 52 =
  29. 29.58 + 34 =
  30. 30.62 + 17 =
  31. 31.39 + 76 =
  32. 32.64 + 42 =
  33. 33.83 + 48 =
  34. 34.50 + 17 =
  35. 35.39 + 29 =
  36. 36.33 + 75 =
  37. 37.45 + 57 =
  38. 38.31 + 22 =
  39. 39.26 + 72 =
  40. 40.42 + 52 =

Answer key

  1. 107
  2. 113
  3. 141
  4. 92
  5. 116
  6. 103
  7. 119
  8. 88
  9. 127
  10. 110
  11. 152
  12. 166
  13. 94
  14. 51
  15. 91
  16. 145
  17. 117
  18. 133
  19. 118
  20. 53
  21. 119
  22. 165
  23. 87
  24. 72
  25. 80
  26. 130
  27. 143
  28. 110
  29. 92
  30. 79
  31. 115
  32. 106
  33. 131
  34. 67
  35. 68
  36. 108
  37. 102
  38. 53
  39. 98
  40. 94

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