← 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 131 · 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. 1.49 + 89 =
  2. 2.31 + 18 =
  3. 3.38 + 36 =
  4. 4.66 + 53 =
  5. 5.47 + 46 =
  6. 6.29 + 78 =
  7. 7.47 + 36 =
  8. 8.65 + 56 =
  9. 9.29 + 21 =
  10. 10.31 + 53 =
  11. 11.52 + 49 =
  12. 12.33 + 57 =
  13. 13.28 + 84 =
  14. 14.30 + 32 =
  15. 15.27 + 89 =
  16. 16.42 + 81 =
  17. 17.24 + 59 =
  18. 18.66 + 27 =
  19. 19.31 + 43 =
  20. 20.82 + 77 =
  21. 21.72 + 29 =
  22. 22.37 + 68 =
  23. 23.65 + 47 =
  24. 24.58 + 78 =
  25. 25.37 + 18 =
  26. 26.48 + 12 =
  27. 27.33 + 44 =
  28. 28.24 + 83 =
  29. 29.87 + 15 =
  30. 30.76 + 35 =
  31. 31.52 + 19 =
  32. 32.57 + 23 =
  33. 33.26 + 14 =
  34. 34.48 + 33 =
  35. 35.55 + 18 =
  36. 36.79 + 19 =
  37. 37.27 + 33 =
  38. 38.28 + 21 =
  39. 39.63 + 31 =
  40. 40.42 + 46 =

Answer key

  1. 138
  2. 49
  3. 74
  4. 119
  5. 93
  6. 107
  7. 83
  8. 121
  9. 50
  10. 84
  11. 101
  12. 90
  13. 112
  14. 62
  15. 116
  16. 123
  17. 83
  18. 93
  19. 74
  20. 159
  21. 101
  22. 105
  23. 112
  24. 136
  25. 55
  26. 60
  27. 77
  28. 107
  29. 102
  30. 111
  31. 71
  32. 80
  33. 40
  34. 81
  35. 73
  36. 98
  37. 60
  38. 49
  39. 94
  40. 88

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