← 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 533 · 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. 1.36 + 75 =
  2. 2.39 + 29 =
  3. 3.80 + 43 =
  4. 4.61 + 42 =
  5. 5.45 + 86 =
  6. 6.87 + 59 =
  7. 7.64 + 59 =
  8. 8.42 + 52 =
  9. 9.60 + 71 =
  10. 10.33 + 15 =
  11. 11.80 + 49 =
  12. 12.22 + 34 =
  13. 13.36 + 51 =
  14. 14.29 + 15 =
  15. 15.49 + 81 =
  16. 16.66 + 19 =
  17. 17.48 + 81 =
  18. 18.41 + 61 =
  19. 19.27 + 39 =
  20. 20.31 + 49 =
  21. 21.68 + 75 =
  22. 22.28 + 73 =
  23. 23.64 + 18 =
  24. 24.50 + 14 =
  25. 25.76 + 41 =
  26. 26.40 + 45 =
  27. 27.28 + 15 =
  28. 28.58 + 81 =
  29. 29.32 + 81 =
  30. 30.41 + 72 =
  31. 31.48 + 65 =
  32. 32.33 + 64 =
  33. 33.23 + 81 =
  34. 34.27 + 83 =
  35. 35.47 + 48 =
  36. 36.67 + 89 =
  37. 37.33 + 45 =
  38. 38.58 + 51 =
  39. 39.61 + 22 =
  40. 40.43 + 51 =

Answer key

  1. 111
  2. 68
  3. 123
  4. 103
  5. 131
  6. 146
  7. 123
  8. 94
  9. 131
  10. 48
  11. 129
  12. 56
  13. 87
  14. 44
  15. 130
  16. 85
  17. 129
  18. 102
  19. 66
  20. 80
  21. 143
  22. 101
  23. 82
  24. 64
  25. 117
  26. 85
  27. 43
  28. 139
  29. 113
  30. 113
  31. 113
  32. 97
  33. 104
  34. 110
  35. 95
  36. 156
  37. 78
  38. 109
  39. 83
  40. 94

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