← 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 719 · 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. 1.74 + 14 =
  2. 2.52 + 82 =
  3. 3.21 + 75 =
  4. 4.68 + 69 =
  5. 5.79 + 25 =
  6. 6.81 + 43 =
  7. 7.75 + 14 =
  8. 8.63 + 59 =
  9. 9.75 + 88 =
  10. 10.53 + 19 =
  11. 11.67 + 21 =
  12. 12.49 + 46 =
  13. 13.64 + 35 =
  14. 14.71 + 13 =
  15. 15.71 + 54 =
  16. 16.29 + 39 =
  17. 17.40 + 49 =
  18. 18.29 + 67 =
  19. 19.22 + 39 =
  20. 20.32 + 78 =
  21. 21.41 + 33 =
  22. 22.46 + 28 =
  23. 23.64 + 84 =
  24. 24.86 + 78 =
  25. 25.22 + 57 =
  26. 26.22 + 64 =
  27. 27.77 + 59 =
  28. 28.37 + 84 =
  29. 29.34 + 83 =
  30. 30.62 + 65 =
  31. 31.49 + 78 =
  32. 32.67 + 54 =
  33. 33.64 + 21 =
  34. 34.67 + 77 =
  35. 35.56 + 54 =
  36. 36.50 + 63 =
  37. 37.31 + 41 =
  38. 38.32 + 28 =
  39. 39.77 + 36 =
  40. 40.29 + 24 =

Answer key

  1. 88
  2. 134
  3. 96
  4. 137
  5. 104
  6. 124
  7. 89
  8. 122
  9. 163
  10. 72
  11. 88
  12. 95
  13. 99
  14. 84
  15. 125
  16. 68
  17. 89
  18. 96
  19. 61
  20. 110
  21. 74
  22. 74
  23. 148
  24. 164
  25. 79
  26. 86
  27. 136
  28. 121
  29. 117
  30. 127
  31. 127
  32. 121
  33. 85
  34. 144
  35. 110
  36. 113
  37. 72
  38. 60
  39. 113
  40. 53

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