← 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 269 · 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. 1.62 + 14 =
  2. 2.39 + 28 =
  3. 3.53 + 71 =
  4. 4.75 + 87 =
  5. 5.47 + 36 =
  6. 6.47 + 25 =
  7. 7.23 + 28 =
  8. 8.83 + 26 =
  9. 9.24 + 86 =
  10. 10.41 + 55 =
  11. 11.51 + 79 =
  12. 12.78 + 27 =
  13. 13.82 + 85 =
  14. 14.30 + 22 =
  15. 15.67 + 26 =
  16. 16.58 + 76 =
  17. 17.56 + 14 =
  18. 18.41 + 37 =
  19. 19.88 + 25 =
  20. 20.87 + 82 =
  21. 21.55 + 31 =
  22. 22.52 + 82 =
  23. 23.28 + 43 =
  24. 24.30 + 51 =
  25. 25.37 + 88 =
  26. 26.50 + 34 =
  27. 27.69 + 71 =
  28. 28.62 + 32 =
  29. 29.40 + 76 =
  30. 30.73 + 81 =
  31. 31.73 + 63 =
  32. 32.53 + 61 =
  33. 33.76 + 75 =
  34. 34.67 + 47 =
  35. 35.33 + 49 =
  36. 36.80 + 21 =
  37. 37.57 + 68 =
  38. 38.43 + 48 =
  39. 39.78 + 89 =
  40. 40.74 + 67 =

Answer key

  1. 76
  2. 67
  3. 124
  4. 162
  5. 83
  6. 72
  7. 51
  8. 109
  9. 110
  10. 96
  11. 130
  12. 105
  13. 167
  14. 52
  15. 93
  16. 134
  17. 70
  18. 78
  19. 113
  20. 169
  21. 86
  22. 134
  23. 71
  24. 81
  25. 125
  26. 84
  27. 140
  28. 94
  29. 116
  30. 154
  31. 136
  32. 114
  33. 151
  34. 114
  35. 82
  36. 101
  37. 125
  38. 91
  39. 167
  40. 141

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