← 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 764 · 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. 1.61 + 47 =
  2. 2.77 + 61 =
  3. 3.40 + 54 =
  4. 4.26 + 26 =
  5. 5.63 + 17 =
  6. 6.66 + 88 =
  7. 7.26 + 83 =
  8. 8.23 + 75 =
  9. 9.46 + 69 =
  10. 10.22 + 19 =
  11. 11.60 + 71 =
  12. 12.25 + 64 =
  13. 13.29 + 64 =
  14. 14.66 + 14 =
  15. 15.33 + 61 =
  16. 16.64 + 77 =
  17. 17.72 + 17 =
  18. 18.75 + 61 =
  19. 19.26 + 41 =
  20. 20.37 + 32 =
  21. 21.49 + 49 =
  22. 22.24 + 34 =
  23. 23.37 + 24 =
  24. 24.77 + 57 =
  25. 25.68 + 83 =
  26. 26.78 + 51 =
  27. 27.58 + 33 =
  28. 28.76 + 45 =
  29. 29.88 + 21 =
  30. 30.34 + 83 =
  31. 31.74 + 47 =
  32. 32.61 + 75 =
  33. 33.65 + 23 =
  34. 34.29 + 35 =
  35. 35.86 + 22 =
  36. 36.80 + 37 =
  37. 37.36 + 26 =
  38. 38.74 + 86 =
  39. 39.31 + 38 =
  40. 40.86 + 41 =

Answer key

  1. 108
  2. 138
  3. 94
  4. 52
  5. 80
  6. 154
  7. 109
  8. 98
  9. 115
  10. 41
  11. 131
  12. 89
  13. 93
  14. 80
  15. 94
  16. 141
  17. 89
  18. 136
  19. 67
  20. 69
  21. 98
  22. 58
  23. 61
  24. 134
  25. 151
  26. 129
  27. 91
  28. 121
  29. 109
  30. 117
  31. 121
  32. 136
  33. 88
  34. 64
  35. 108
  36. 117
  37. 62
  38. 160
  39. 69
  40. 127

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