← 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 625 · 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. 1.74 + 23 =
  2. 2.75 + 16 =
  3. 3.86 + 73 =
  4. 4.30 + 56 =
  5. 5.63 + 41 =
  6. 6.71 + 47 =
  7. 7.21 + 52 =
  8. 8.50 + 55 =
  9. 9.48 + 58 =
  10. 10.60 + 31 =
  11. 11.45 + 21 =
  12. 12.34 + 72 =
  13. 13.65 + 86 =
  14. 14.45 + 84 =
  15. 15.52 + 32 =
  16. 16.33 + 36 =
  17. 17.87 + 16 =
  18. 18.71 + 72 =
  19. 19.75 + 67 =
  20. 20.52 + 77 =
  21. 21.81 + 77 =
  22. 22.58 + 44 =
  23. 23.27 + 37 =
  24. 24.76 + 79 =
  25. 25.80 + 26 =
  26. 26.53 + 14 =
  27. 27.52 + 52 =
  28. 28.33 + 33 =
  29. 29.55 + 47 =
  30. 30.82 + 12 =
  31. 31.33 + 21 =
  32. 32.66 + 38 =
  33. 33.54 + 44 =
  34. 34.75 + 32 =
  35. 35.29 + 62 =
  36. 36.25 + 46 =
  37. 37.79 + 58 =
  38. 38.52 + 27 =
  39. 39.41 + 88 =
  40. 40.86 + 41 =

Answer key

  1. 97
  2. 91
  3. 159
  4. 86
  5. 104
  6. 118
  7. 73
  8. 105
  9. 106
  10. 91
  11. 66
  12. 106
  13. 151
  14. 129
  15. 84
  16. 69
  17. 103
  18. 143
  19. 142
  20. 129
  21. 158
  22. 102
  23. 64
  24. 155
  25. 106
  26. 67
  27. 104
  28. 66
  29. 102
  30. 94
  31. 54
  32. 104
  33. 98
  34. 107
  35. 91
  36. 71
  37. 137
  38. 79
  39. 129
  40. 127

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