← 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 726 · 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. 1.78 + 72 =
  2. 2.24 + 88 =
  3. 3.35 + 31 =
  4. 4.51 + 44 =
  5. 5.83 + 34 =
  6. 6.58 + 18 =
  7. 7.70 + 69 =
  8. 8.47 + 61 =
  9. 9.67 + 81 =
  10. 10.42 + 32 =
  11. 11.37 + 86 =
  12. 12.23 + 32 =
  13. 13.40 + 88 =
  14. 14.68 + 86 =
  15. 15.60 + 64 =
  16. 16.22 + 24 =
  17. 17.34 + 88 =
  18. 18.61 + 51 =
  19. 19.31 + 83 =
  20. 20.37 + 56 =
  21. 21.53 + 79 =
  22. 22.38 + 46 =
  23. 23.68 + 35 =
  24. 24.23 + 77 =
  25. 25.38 + 32 =
  26. 26.28 + 81 =
  27. 27.55 + 74 =
  28. 28.69 + 44 =
  29. 29.62 + 69 =
  30. 30.56 + 14 =
  31. 31.26 + 57 =
  32. 32.47 + 71 =
  33. 33.80 + 15 =
  34. 34.42 + 82 =
  35. 35.66 + 13 =
  36. 36.56 + 28 =
  37. 37.62 + 35 =
  38. 38.43 + 49 =
  39. 39.59 + 61 =
  40. 40.83 + 73 =

Answer key

  1. 150
  2. 112
  3. 66
  4. 95
  5. 117
  6. 76
  7. 139
  8. 108
  9. 148
  10. 74
  11. 123
  12. 55
  13. 128
  14. 154
  15. 124
  16. 46
  17. 122
  18. 112
  19. 114
  20. 93
  21. 132
  22. 84
  23. 103
  24. 100
  25. 70
  26. 109
  27. 129
  28. 113
  29. 131
  30. 70
  31. 83
  32. 118
  33. 95
  34. 124
  35. 79
  36. 84
  37. 97
  38. 92
  39. 120
  40. 156

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