← 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 534 · 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. 1.45 + 24 =
  2. 2.37 + 38 =
  3. 3.34 + 25 =
  4. 4.30 + 64 =
  5. 5.54 + 76 =
  6. 6.42 + 32 =
  7. 7.88 + 71 =
  8. 8.70 + 74 =
  9. 9.40 + 48 =
  10. 10.88 + 19 =
  11. 11.52 + 16 =
  12. 12.27 + 29 =
  13. 13.46 + 18 =
  14. 14.22 + 28 =
  15. 15.67 + 21 =
  16. 16.52 + 56 =
  17. 17.61 + 15 =
  18. 18.23 + 34 =
  19. 19.89 + 71 =
  20. 20.48 + 88 =
  21. 21.74 + 86 =
  22. 22.78 + 34 =
  23. 23.75 + 47 =
  24. 24.77 + 57 =
  25. 25.81 + 79 =
  26. 26.62 + 16 =
  27. 27.69 + 51 =
  28. 28.49 + 76 =
  29. 29.68 + 25 =
  30. 30.56 + 59 =
  31. 31.32 + 39 =
  32. 32.26 + 51 =
  33. 33.24 + 15 =
  34. 34.79 + 14 =
  35. 35.28 + 61 =
  36. 36.25 + 38 =
  37. 37.26 + 68 =
  38. 38.43 + 65 =
  39. 39.62 + 41 =
  40. 40.42 + 41 =

Answer key

  1. 69
  2. 75
  3. 59
  4. 94
  5. 130
  6. 74
  7. 159
  8. 144
  9. 88
  10. 107
  11. 68
  12. 56
  13. 64
  14. 50
  15. 88
  16. 108
  17. 76
  18. 57
  19. 160
  20. 136
  21. 160
  22. 112
  23. 122
  24. 134
  25. 160
  26. 78
  27. 120
  28. 125
  29. 93
  30. 115
  31. 71
  32. 77
  33. 39
  34. 93
  35. 89
  36. 63
  37. 94
  38. 108
  39. 103
  40. 83

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