← 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 807 · 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. 1.32 + 56 =
  2. 2.25 + 27 =
  3. 3.41 + 14 =
  4. 4.78 + 67 =
  5. 5.25 + 84 =
  6. 6.59 + 47 =
  7. 7.31 + 61 =
  8. 8.40 + 39 =
  9. 9.63 + 36 =
  10. 10.87 + 44 =
  11. 11.68 + 26 =
  12. 12.53 + 67 =
  13. 13.28 + 25 =
  14. 14.64 + 53 =
  15. 15.34 + 78 =
  16. 16.46 + 55 =
  17. 17.66 + 34 =
  18. 18.52 + 57 =
  19. 19.23 + 77 =
  20. 20.64 + 21 =
  21. 21.48 + 48 =
  22. 22.76 + 37 =
  23. 23.70 + 23 =
  24. 24.69 + 53 =
  25. 25.48 + 24 =
  26. 26.40 + 84 =
  27. 27.60 + 46 =
  28. 28.81 + 44 =
  29. 29.54 + 86 =
  30. 30.30 + 41 =
  31. 31.24 + 41 =
  32. 32.56 + 61 =
  33. 33.32 + 31 =
  34. 34.51 + 58 =
  35. 35.73 + 28 =
  36. 36.76 + 13 =
  37. 37.73 + 44 =
  38. 38.35 + 86 =
  39. 39.46 + 72 =
  40. 40.60 + 23 =

Answer key

  1. 88
  2. 52
  3. 55
  4. 145
  5. 109
  6. 106
  7. 92
  8. 79
  9. 99
  10. 131
  11. 94
  12. 120
  13. 53
  14. 117
  15. 112
  16. 101
  17. 100
  18. 109
  19. 100
  20. 85
  21. 96
  22. 113
  23. 93
  24. 122
  25. 72
  26. 124
  27. 106
  28. 125
  29. 140
  30. 71
  31. 65
  32. 117
  33. 63
  34. 109
  35. 101
  36. 89
  37. 117
  38. 121
  39. 118
  40. 83

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