← 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 590 · 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 + 73 =
  2. 2.60 + 68 =
  3. 3.62 + 84 =
  4. 4.39 + 15 =
  5. 5.56 + 32 =
  6. 6.43 + 53 =
  7. 7.81 + 31 =
  8. 8.89 + 28 =
  9. 9.33 + 81 =
  10. 10.86 + 76 =
  11. 11.22 + 81 =
  12. 12.21 + 44 =
  13. 13.22 + 31 =
  14. 14.71 + 34 =
  15. 15.41 + 22 =
  16. 16.78 + 61 =
  17. 17.75 + 71 =
  18. 18.89 + 26 =
  19. 19.23 + 58 =
  20. 20.32 + 17 =
  21. 21.69 + 73 =
  22. 22.63 + 83 =
  23. 23.52 + 51 =
  24. 24.32 + 15 =
  25. 25.37 + 61 =
  26. 26.86 + 19 =
  27. 27.24 + 58 =
  28. 28.87 + 12 =
  29. 29.76 + 31 =
  30. 30.71 + 51 =
  31. 31.71 + 86 =
  32. 32.65 + 31 =
  33. 33.69 + 37 =
  34. 34.87 + 36 =
  35. 35.67 + 43 =
  36. 36.80 + 48 =
  37. 37.54 + 39 =
  38. 38.21 + 26 =
  39. 39.55 + 56 =
  40. 40.23 + 83 =

Answer key

  1. 122
  2. 128
  3. 146
  4. 54
  5. 88
  6. 96
  7. 112
  8. 117
  9. 114
  10. 162
  11. 103
  12. 65
  13. 53
  14. 105
  15. 63
  16. 139
  17. 146
  18. 115
  19. 81
  20. 49
  21. 142
  22. 146
  23. 103
  24. 47
  25. 98
  26. 105
  27. 82
  28. 99
  29. 107
  30. 122
  31. 157
  32. 96
  33. 106
  34. 123
  35. 110
  36. 128
  37. 93
  38. 47
  39. 111
  40. 106

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