← 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 953 · 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. 1.67 + 67 =
  2. 2.70 + 24 =
  3. 3.54 + 46 =
  4. 4.50 + 41 =
  5. 5.23 + 29 =
  6. 6.28 + 32 =
  7. 7.68 + 85 =
  8. 8.82 + 24 =
  9. 9.60 + 19 =
  10. 10.47 + 62 =
  11. 11.37 + 62 =
  12. 12.88 + 28 =
  13. 13.25 + 23 =
  14. 14.54 + 76 =
  15. 15.51 + 84 =
  16. 16.38 + 81 =
  17. 17.67 + 31 =
  18. 18.28 + 21 =
  19. 19.33 + 43 =
  20. 20.81 + 58 =
  21. 21.51 + 68 =
  22. 22.78 + 23 =
  23. 23.84 + 77 =
  24. 24.21 + 37 =
  25. 25.61 + 23 =
  26. 26.83 + 83 =
  27. 27.78 + 84 =
  28. 28.26 + 14 =
  29. 29.82 + 65 =
  30. 30.68 + 34 =
  31. 31.74 + 71 =
  32. 32.38 + 79 =
  33. 33.31 + 49 =
  34. 34.56 + 62 =
  35. 35.30 + 42 =
  36. 36.79 + 29 =
  37. 37.24 + 45 =
  38. 38.24 + 67 =
  39. 39.63 + 32 =
  40. 40.21 + 34 =

Answer key

  1. 134
  2. 94
  3. 100
  4. 91
  5. 52
  6. 60
  7. 153
  8. 106
  9. 79
  10. 109
  11. 99
  12. 116
  13. 48
  14. 130
  15. 135
  16. 119
  17. 98
  18. 49
  19. 76
  20. 139
  21. 119
  22. 101
  23. 161
  24. 58
  25. 84
  26. 166
  27. 162
  28. 40
  29. 147
  30. 102
  31. 145
  32. 117
  33. 80
  34. 118
  35. 72
  36. 108
  37. 69
  38. 91
  39. 95
  40. 55

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