← 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 107 · 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. 1.66 + 34 =
  2. 2.27 + 21 =
  3. 3.36 + 57 =
  4. 4.85 + 51 =
  5. 5.79 + 61 =
  6. 6.22 + 85 =
  7. 7.62 + 24 =
  8. 8.50 + 19 =
  9. 9.27 + 13 =
  10. 10.28 + 73 =
  11. 11.82 + 13 =
  12. 12.45 + 21 =
  13. 13.32 + 22 =
  14. 14.47 + 18 =
  15. 15.30 + 38 =
  16. 16.88 + 54 =
  17. 17.25 + 49 =
  18. 18.60 + 13 =
  19. 19.88 + 44 =
  20. 20.40 + 53 =
  21. 21.38 + 81 =
  22. 22.74 + 71 =
  23. 23.22 + 23 =
  24. 24.61 + 45 =
  25. 25.24 + 88 =
  26. 26.81 + 49 =
  27. 27.35 + 13 =
  28. 28.56 + 74 =
  29. 29.53 + 61 =
  30. 30.49 + 21 =
  31. 31.46 + 86 =
  32. 32.21 + 66 =
  33. 33.59 + 79 =
  34. 34.68 + 15 =
  35. 35.40 + 82 =
  36. 36.56 + 23 =
  37. 37.62 + 21 =
  38. 38.32 + 64 =
  39. 39.43 + 22 =
  40. 40.38 + 18 =

Answer key

  1. 100
  2. 48
  3. 93
  4. 136
  5. 140
  6. 107
  7. 86
  8. 69
  9. 40
  10. 101
  11. 95
  12. 66
  13. 54
  14. 65
  15. 68
  16. 142
  17. 74
  18. 73
  19. 132
  20. 93
  21. 119
  22. 145
  23. 45
  24. 106
  25. 112
  26. 130
  27. 48
  28. 130
  29. 114
  30. 70
  31. 132
  32. 87
  33. 138
  34. 83
  35. 122
  36. 79
  37. 83
  38. 96
  39. 65
  40. 56

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