← 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 293 · 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. 1.63 + 61 =
  2. 2.74 + 24 =
  3. 3.59 + 31 =
  4. 4.55 + 48 =
  5. 5.33 + 21 =
  6. 6.76 + 54 =
  7. 7.24 + 41 =
  8. 8.87 + 71 =
  9. 9.27 + 61 =
  10. 10.49 + 29 =
  11. 11.40 + 65 =
  12. 12.31 + 36 =
  13. 13.81 + 88 =
  14. 14.64 + 19 =
  15. 15.22 + 34 =
  16. 16.83 + 29 =
  17. 17.68 + 25 =
  18. 18.82 + 52 =
  19. 19.72 + 61 =
  20. 20.29 + 49 =
  21. 21.25 + 65 =
  22. 22.44 + 19 =
  23. 23.33 + 43 =
  24. 24.56 + 62 =
  25. 25.27 + 78 =
  26. 26.76 + 13 =
  27. 27.34 + 59 =
  28. 28.88 + 85 =
  29. 29.37 + 31 =
  30. 30.60 + 81 =
  31. 31.73 + 24 =
  32. 32.77 + 36 =
  33. 33.38 + 85 =
  34. 34.32 + 19 =
  35. 35.39 + 37 =
  36. 36.32 + 27 =
  37. 37.22 + 63 =
  38. 38.42 + 68 =
  39. 39.75 + 84 =
  40. 40.84 + 76 =

Answer key

  1. 124
  2. 98
  3. 90
  4. 103
  5. 54
  6. 130
  7. 65
  8. 158
  9. 88
  10. 78
  11. 105
  12. 67
  13. 169
  14. 83
  15. 56
  16. 112
  17. 93
  18. 134
  19. 133
  20. 78
  21. 90
  22. 63
  23. 76
  24. 118
  25. 105
  26. 89
  27. 93
  28. 173
  29. 68
  30. 141
  31. 97
  32. 113
  33. 123
  34. 51
  35. 76
  36. 59
  37. 85
  38. 110
  39. 159
  40. 160

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