← 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 144 · 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. 1.60 + 49 =
  2. 2.28 + 47 =
  3. 3.86 + 67 =
  4. 4.88 + 42 =
  5. 5.57 + 87 =
  6. 6.81 + 41 =
  7. 7.23 + 67 =
  8. 8.43 + 71 =
  9. 9.69 + 51 =
  10. 10.26 + 16 =
  11. 11.82 + 82 =
  12. 12.50 + 47 =
  13. 13.61 + 23 =
  14. 14.54 + 17 =
  15. 15.28 + 42 =
  16. 16.21 + 35 =
  17. 17.56 + 21 =
  18. 18.76 + 68 =
  19. 19.42 + 67 =
  20. 20.88 + 86 =
  21. 21.45 + 51 =
  22. 22.61 + 48 =
  23. 23.39 + 82 =
  24. 24.42 + 64 =
  25. 25.55 + 42 =
  26. 26.35 + 36 =
  27. 27.44 + 21 =
  28. 28.51 + 84 =
  29. 29.47 + 47 =
  30. 30.59 + 83 =
  31. 31.72 + 78 =
  32. 32.36 + 39 =
  33. 33.66 + 59 =
  34. 34.89 + 64 =
  35. 35.29 + 28 =
  36. 36.23 + 42 =
  37. 37.32 + 75 =
  38. 38.69 + 23 =
  39. 39.33 + 28 =
  40. 40.69 + 32 =

Answer key

  1. 109
  2. 75
  3. 153
  4. 130
  5. 144
  6. 122
  7. 90
  8. 114
  9. 120
  10. 42
  11. 164
  12. 97
  13. 84
  14. 71
  15. 70
  16. 56
  17. 77
  18. 144
  19. 109
  20. 174
  21. 96
  22. 109
  23. 121
  24. 106
  25. 97
  26. 71
  27. 65
  28. 135
  29. 94
  30. 142
  31. 150
  32. 75
  33. 125
  34. 153
  35. 57
  36. 65
  37. 107
  38. 92
  39. 61
  40. 101

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