← 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 228 · 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. 1.51 + 41 =
  2. 2.64 + 89 =
  3. 3.62 + 31 =
  4. 4.37 + 15 =
  5. 5.25 + 34 =
  6. 6.36 + 21 =
  7. 7.43 + 87 =
  8. 8.59 + 78 =
  9. 9.43 + 75 =
  10. 10.87 + 39 =
  11. 11.71 + 26 =
  12. 12.49 + 77 =
  13. 13.69 + 29 =
  14. 14.58 + 63 =
  15. 15.74 + 74 =
  16. 16.51 + 27 =
  17. 17.70 + 21 =
  18. 18.65 + 38 =
  19. 19.25 + 81 =
  20. 20.79 + 32 =
  21. 21.68 + 46 =
  22. 22.49 + 82 =
  23. 23.69 + 14 =
  24. 24.41 + 51 =
  25. 25.31 + 23 =
  26. 26.55 + 25 =
  27. 27.34 + 56 =
  28. 28.43 + 27 =
  29. 29.78 + 14 =
  30. 30.53 + 72 =
  31. 31.50 + 22 =
  32. 32.36 + 33 =
  33. 33.60 + 77 =
  34. 34.25 + 23 =
  35. 35.37 + 74 =
  36. 36.62 + 38 =
  37. 37.28 + 41 =
  38. 38.48 + 57 =
  39. 39.27 + 41 =
  40. 40.65 + 16 =

Answer key

  1. 92
  2. 153
  3. 93
  4. 52
  5. 59
  6. 57
  7. 130
  8. 137
  9. 118
  10. 126
  11. 97
  12. 126
  13. 98
  14. 121
  15. 148
  16. 78
  17. 91
  18. 103
  19. 106
  20. 111
  21. 114
  22. 131
  23. 83
  24. 92
  25. 54
  26. 80
  27. 90
  28. 70
  29. 92
  30. 125
  31. 72
  32. 69
  33. 137
  34. 48
  35. 111
  36. 100
  37. 69
  38. 105
  39. 68
  40. 81

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