← 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 846 · 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. 1.29 + 87 =
  2. 2.49 + 68 =
  3. 3.64 + 55 =
  4. 4.71 + 67 =
  5. 5.22 + 54 =
  6. 6.74 + 81 =
  7. 7.75 + 83 =
  8. 8.75 + 57 =
  9. 9.83 + 54 =
  10. 10.51 + 48 =
  11. 11.42 + 65 =
  12. 12.48 + 79 =
  13. 13.30 + 27 =
  14. 14.51 + 31 =
  15. 15.38 + 22 =
  16. 16.23 + 53 =
  17. 17.63 + 55 =
  18. 18.67 + 69 =
  19. 19.29 + 66 =
  20. 20.36 + 81 =
  21. 21.40 + 48 =
  22. 22.34 + 56 =
  23. 23.58 + 62 =
  24. 24.81 + 33 =
  25. 25.79 + 13 =
  26. 26.66 + 53 =
  27. 27.51 + 56 =
  28. 28.87 + 34 =
  29. 29.76 + 34 =
  30. 30.22 + 42 =
  31. 31.89 + 84 =
  32. 32.75 + 25 =
  33. 33.72 + 29 =
  34. 34.33 + 69 =
  35. 35.72 + 79 =
  36. 36.43 + 32 =
  37. 37.72 + 33 =
  38. 38.35 + 24 =
  39. 39.83 + 34 =
  40. 40.33 + 81 =

Answer key

  1. 116
  2. 117
  3. 119
  4. 138
  5. 76
  6. 155
  7. 158
  8. 132
  9. 137
  10. 99
  11. 107
  12. 127
  13. 57
  14. 82
  15. 60
  16. 76
  17. 118
  18. 136
  19. 95
  20. 117
  21. 88
  22. 90
  23. 120
  24. 114
  25. 92
  26. 119
  27. 107
  28. 121
  29. 110
  30. 64
  31. 173
  32. 100
  33. 101
  34. 102
  35. 151
  36. 75
  37. 105
  38. 59
  39. 117
  40. 114

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