← 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 287 · 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. 1.48 + 63 =
  2. 2.38 + 33 =
  3. 3.81 + 56 =
  4. 4.27 + 23 =
  5. 5.48 + 42 =
  6. 6.76 + 25 =
  7. 7.43 + 74 =
  8. 8.50 + 46 =
  9. 9.38 + 26 =
  10. 10.84 + 17 =
  11. 11.55 + 71 =
  12. 12.30 + 16 =
  13. 13.46 + 54 =
  14. 14.77 + 39 =
  15. 15.33 + 61 =
  16. 16.75 + 27 =
  17. 17.50 + 35 =
  18. 18.24 + 66 =
  19. 19.38 + 37 =
  20. 20.30 + 76 =
  21. 21.33 + 42 =
  22. 22.50 + 22 =
  23. 23.38 + 32 =
  24. 24.21 + 37 =
  25. 25.37 + 38 =
  26. 26.50 + 81 =
  27. 27.47 + 51 =
  28. 28.84 + 18 =
  29. 29.81 + 79 =
  30. 30.54 + 65 =
  31. 31.37 + 83 =
  32. 32.74 + 88 =
  33. 33.80 + 18 =
  34. 34.78 + 66 =
  35. 35.73 + 61 =
  36. 36.39 + 81 =
  37. 37.22 + 19 =
  38. 38.82 + 87 =
  39. 39.60 + 52 =
  40. 40.82 + 63 =

Answer key

  1. 111
  2. 71
  3. 137
  4. 50
  5. 90
  6. 101
  7. 117
  8. 96
  9. 64
  10. 101
  11. 126
  12. 46
  13. 100
  14. 116
  15. 94
  16. 102
  17. 85
  18. 90
  19. 75
  20. 106
  21. 75
  22. 72
  23. 70
  24. 58
  25. 75
  26. 131
  27. 98
  28. 102
  29. 160
  30. 119
  31. 120
  32. 162
  33. 98
  34. 144
  35. 134
  36. 120
  37. 41
  38. 169
  39. 112
  40. 145

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