← 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 929 · 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. 1.60 + 74 =
  2. 2.56 + 31 =
  3. 3.87 + 24 =
  4. 4.64 + 31 =
  5. 5.21 + 33 =
  6. 6.33 + 74 =
  7. 7.49 + 41 =
  8. 8.48 + 43 =
  9. 9.86 + 64 =
  10. 10.38 + 32 =
  11. 11.63 + 51 =
  12. 12.71 + 24 =
  13. 13.46 + 41 =
  14. 14.22 + 39 =
  15. 15.31 + 86 =
  16. 16.71 + 78 =
  17. 17.34 + 19 =
  18. 18.50 + 22 =
  19. 19.86 + 58 =
  20. 20.87 + 31 =
  21. 21.38 + 82 =
  22. 22.28 + 88 =
  23. 23.24 + 27 =
  24. 24.33 + 35 =
  25. 25.63 + 81 =
  26. 26.63 + 65 =
  27. 27.29 + 64 =
  28. 28.85 + 23 =
  29. 29.68 + 14 =
  30. 30.34 + 85 =
  31. 31.82 + 15 =
  32. 32.42 + 37 =
  33. 33.32 + 26 =
  34. 34.24 + 79 =
  35. 35.33 + 31 =
  36. 36.89 + 41 =
  37. 37.30 + 26 =
  38. 38.60 + 39 =
  39. 39.68 + 66 =
  40. 40.56 + 63 =

Answer key

  1. 134
  2. 87
  3. 111
  4. 95
  5. 54
  6. 107
  7. 90
  8. 91
  9. 150
  10. 70
  11. 114
  12. 95
  13. 87
  14. 61
  15. 117
  16. 149
  17. 53
  18. 72
  19. 144
  20. 118
  21. 120
  22. 116
  23. 51
  24. 68
  25. 144
  26. 128
  27. 93
  28. 108
  29. 82
  30. 119
  31. 97
  32. 79
  33. 58
  34. 103
  35. 64
  36. 130
  37. 56
  38. 99
  39. 134
  40. 119

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