← 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 926 · 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. 1.46 + 29 =
  2. 2.67 + 77 =
  3. 3.77 + 34 =
  4. 4.36 + 31 =
  5. 5.65 + 22 =
  6. 6.87 + 14 =
  7. 7.32 + 34 =
  8. 8.82 + 72 =
  9. 9.54 + 43 =
  10. 10.22 + 31 =
  11. 11.22 + 27 =
  12. 12.78 + 37 =
  13. 13.63 + 39 =
  14. 14.66 + 43 =
  15. 15.79 + 66 =
  16. 16.30 + 59 =
  17. 17.81 + 76 =
  18. 18.77 + 61 =
  19. 19.39 + 23 =
  20. 20.37 + 54 =
  21. 21.68 + 17 =
  22. 22.79 + 21 =
  23. 23.69 + 48 =
  24. 24.78 + 83 =
  25. 25.80 + 27 =
  26. 26.74 + 88 =
  27. 27.79 + 75 =
  28. 28.33 + 18 =
  29. 29.26 + 74 =
  30. 30.47 + 15 =
  31. 31.46 + 89 =
  32. 32.53 + 54 =
  33. 33.24 + 26 =
  34. 34.82 + 46 =
  35. 35.29 + 19 =
  36. 36.84 + 31 =
  37. 37.50 + 13 =
  38. 38.76 + 12 =
  39. 39.49 + 49 =
  40. 40.71 + 32 =

Answer key

  1. 75
  2. 144
  3. 111
  4. 67
  5. 87
  6. 101
  7. 66
  8. 154
  9. 97
  10. 53
  11. 49
  12. 115
  13. 102
  14. 109
  15. 145
  16. 89
  17. 157
  18. 138
  19. 62
  20. 91
  21. 85
  22. 100
  23. 117
  24. 161
  25. 107
  26. 162
  27. 154
  28. 51
  29. 100
  30. 62
  31. 135
  32. 107
  33. 50
  34. 128
  35. 48
  36. 115
  37. 63
  38. 88
  39. 98
  40. 103

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