← 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 802 · 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. 1.26 + 13 =
  2. 2.82 + 35 =
  3. 3.73 + 14 =
  4. 4.53 + 15 =
  5. 5.31 + 56 =
  6. 6.32 + 51 =
  7. 7.56 + 25 =
  8. 8.27 + 28 =
  9. 9.59 + 16 =
  10. 10.59 + 31 =
  11. 11.60 + 15 =
  12. 12.57 + 26 =
  13. 13.33 + 36 =
  14. 14.55 + 24 =
  15. 15.50 + 16 =
  16. 16.57 + 65 =
  17. 17.68 + 35 =
  18. 18.76 + 51 =
  19. 19.21 + 31 =
  20. 20.21 + 26 =
  21. 21.56 + 59 =
  22. 22.38 + 56 =
  23. 23.23 + 71 =
  24. 24.54 + 23 =
  25. 25.30 + 15 =
  26. 26.63 + 83 =
  27. 27.33 + 26 =
  28. 28.81 + 48 =
  29. 29.60 + 71 =
  30. 30.51 + 24 =
  31. 31.31 + 66 =
  32. 32.47 + 67 =
  33. 33.21 + 88 =
  34. 34.29 + 51 =
  35. 35.68 + 34 =
  36. 36.49 + 14 =
  37. 37.83 + 44 =
  38. 38.88 + 79 =
  39. 39.21 + 38 =
  40. 40.42 + 14 =

Answer key

  1. 39
  2. 117
  3. 87
  4. 68
  5. 87
  6. 83
  7. 81
  8. 55
  9. 75
  10. 90
  11. 75
  12. 83
  13. 69
  14. 79
  15. 66
  16. 122
  17. 103
  18. 127
  19. 52
  20. 47
  21. 115
  22. 94
  23. 94
  24. 77
  25. 45
  26. 146
  27. 59
  28. 129
  29. 131
  30. 75
  31. 97
  32. 114
  33. 109
  34. 80
  35. 102
  36. 63
  37. 127
  38. 167
  39. 59
  40. 56

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