← 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 458 · 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. 1.73 + 64 =
  2. 2.55 + 31 =
  3. 3.23 + 23 =
  4. 4.50 + 66 =
  5. 5.25 + 82 =
  6. 6.66 + 82 =
  7. 7.40 + 73 =
  8. 8.22 + 72 =
  9. 9.26 + 14 =
  10. 10.64 + 35 =
  11. 11.56 + 21 =
  12. 12.75 + 33 =
  13. 13.63 + 16 =
  14. 14.28 + 75 =
  15. 15.84 + 66 =
  16. 16.72 + 49 =
  17. 17.81 + 29 =
  18. 18.22 + 32 =
  19. 19.27 + 49 =
  20. 20.49 + 73 =
  21. 21.21 + 88 =
  22. 22.52 + 74 =
  23. 23.76 + 73 =
  24. 24.56 + 57 =
  25. 25.33 + 26 =
  26. 26.61 + 46 =
  27. 27.71 + 75 =
  28. 28.30 + 32 =
  29. 29.54 + 87 =
  30. 30.73 + 67 =
  31. 31.23 + 39 =
  32. 32.75 + 22 =
  33. 33.55 + 16 =
  34. 34.65 + 38 =
  35. 35.80 + 22 =
  36. 36.84 + 37 =
  37. 37.64 + 34 =
  38. 38.24 + 35 =
  39. 39.37 + 68 =
  40. 40.85 + 34 =

Answer key

  1. 137
  2. 86
  3. 46
  4. 116
  5. 107
  6. 148
  7. 113
  8. 94
  9. 40
  10. 99
  11. 77
  12. 108
  13. 79
  14. 103
  15. 150
  16. 121
  17. 110
  18. 54
  19. 76
  20. 122
  21. 109
  22. 126
  23. 149
  24. 113
  25. 59
  26. 107
  27. 146
  28. 62
  29. 141
  30. 140
  31. 62
  32. 97
  33. 71
  34. 103
  35. 102
  36. 121
  37. 98
  38. 59
  39. 105
  40. 119

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