← 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 833 · 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. 1.88 + 56 =
  2. 2.34 + 81 =
  3. 3.55 + 34 =
  4. 4.85 + 34 =
  5. 5.89 + 38 =
  6. 6.85 + 61 =
  7. 7.21 + 67 =
  8. 8.61 + 67 =
  9. 9.87 + 61 =
  10. 10.54 + 26 =
  11. 11.39 + 16 =
  12. 12.40 + 34 =
  13. 13.26 + 51 =
  14. 14.28 + 31 =
  15. 15.63 + 28 =
  16. 16.21 + 12 =
  17. 17.38 + 57 =
  18. 18.24 + 48 =
  19. 19.61 + 72 =
  20. 20.58 + 14 =
  21. 21.68 + 81 =
  22. 22.64 + 43 =
  23. 23.64 + 89 =
  24. 24.24 + 54 =
  25. 25.69 + 72 =
  26. 26.87 + 78 =
  27. 27.71 + 67 =
  28. 28.54 + 52 =
  29. 29.68 + 55 =
  30. 30.50 + 45 =
  31. 31.63 + 85 =
  32. 32.68 + 86 =
  33. 33.71 + 85 =
  34. 34.72 + 84 =
  35. 35.88 + 82 =
  36. 36.61 + 61 =
  37. 37.88 + 45 =
  38. 38.58 + 13 =
  39. 39.23 + 61 =
  40. 40.87 + 26 =

Answer key

  1. 144
  2. 115
  3. 89
  4. 119
  5. 127
  6. 146
  7. 88
  8. 128
  9. 148
  10. 80
  11. 55
  12. 74
  13. 77
  14. 59
  15. 91
  16. 33
  17. 95
  18. 72
  19. 133
  20. 72
  21. 149
  22. 107
  23. 153
  24. 78
  25. 141
  26. 165
  27. 138
  28. 106
  29. 123
  30. 95
  31. 148
  32. 154
  33. 156
  34. 156
  35. 170
  36. 122
  37. 133
  38. 71
  39. 84
  40. 113

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