← 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 418 · 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. 1.70 + 71 =
  2. 2.36 + 71 =
  3. 3.60 + 72 =
  4. 4.60 + 41 =
  5. 5.23 + 53 =
  6. 6.78 + 39 =
  7. 7.30 + 45 =
  8. 8.52 + 48 =
  9. 9.54 + 13 =
  10. 10.29 + 48 =
  11. 11.86 + 49 =
  12. 12.30 + 58 =
  13. 13.86 + 47 =
  14. 14.24 + 14 =
  15. 15.43 + 31 =
  16. 16.37 + 13 =
  17. 17.25 + 57 =
  18. 18.63 + 59 =
  19. 19.69 + 25 =
  20. 20.65 + 14 =
  21. 21.41 + 71 =
  22. 22.56 + 27 =
  23. 23.58 + 21 =
  24. 24.89 + 21 =
  25. 25.61 + 42 =
  26. 26.69 + 62 =
  27. 27.43 + 16 =
  28. 28.36 + 35 =
  29. 29.83 + 25 =
  30. 30.81 + 74 =
  31. 31.33 + 19 =
  32. 32.79 + 55 =
  33. 33.59 + 74 =
  34. 34.41 + 48 =
  35. 35.62 + 12 =
  36. 36.27 + 24 =
  37. 37.52 + 61 =
  38. 38.53 + 71 =
  39. 39.53 + 38 =
  40. 40.83 + 69 =

Answer key

  1. 141
  2. 107
  3. 132
  4. 101
  5. 76
  6. 117
  7. 75
  8. 100
  9. 67
  10. 77
  11. 135
  12. 88
  13. 133
  14. 38
  15. 74
  16. 50
  17. 82
  18. 122
  19. 94
  20. 79
  21. 112
  22. 83
  23. 79
  24. 110
  25. 103
  26. 131
  27. 59
  28. 71
  29. 108
  30. 155
  31. 52
  32. 134
  33. 133
  34. 89
  35. 74
  36. 51
  37. 113
  38. 124
  39. 91
  40. 152

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