← 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 788 · 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. 1.72 + 25 =
  2. 2.86 + 85 =
  3. 3.71 + 21 =
  4. 4.37 + 71 =
  5. 5.73 + 54 =
  6. 6.36 + 12 =
  7. 7.31 + 82 =
  8. 8.27 + 83 =
  9. 9.25 + 77 =
  10. 10.69 + 43 =
  11. 11.60 + 43 =
  12. 12.64 + 43 =
  13. 13.56 + 31 =
  14. 14.28 + 18 =
  15. 15.42 + 15 =
  16. 16.30 + 68 =
  17. 17.57 + 14 =
  18. 18.52 + 43 =
  19. 19.55 + 68 =
  20. 20.32 + 83 =
  21. 21.38 + 25 =
  22. 22.71 + 77 =
  23. 23.84 + 49 =
  24. 24.88 + 23 =
  25. 25.30 + 27 =
  26. 26.26 + 34 =
  27. 27.23 + 14 =
  28. 28.47 + 34 =
  29. 29.80 + 26 =
  30. 30.73 + 81 =
  31. 31.30 + 72 =
  32. 32.53 + 71 =
  33. 33.82 + 19 =
  34. 34.30 + 88 =
  35. 35.78 + 34 =
  36. 36.62 + 71 =
  37. 37.24 + 82 =
  38. 38.61 + 17 =
  39. 39.44 + 81 =
  40. 40.83 + 43 =

Answer key

  1. 97
  2. 171
  3. 92
  4. 108
  5. 127
  6. 48
  7. 113
  8. 110
  9. 102
  10. 112
  11. 103
  12. 107
  13. 87
  14. 46
  15. 57
  16. 98
  17. 71
  18. 95
  19. 123
  20. 115
  21. 63
  22. 148
  23. 133
  24. 111
  25. 57
  26. 60
  27. 37
  28. 81
  29. 106
  30. 154
  31. 102
  32. 124
  33. 101
  34. 118
  35. 112
  36. 133
  37. 106
  38. 78
  39. 125
  40. 126

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