← 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 314 · 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. 1.47 + 58 =
  2. 2.37 + 62 =
  3. 3.47 + 81 =
  4. 4.34 + 29 =
  5. 5.48 + 61 =
  6. 6.31 + 74 =
  7. 7.24 + 22 =
  8. 8.39 + 32 =
  9. 9.48 + 76 =
  10. 10.49 + 57 =
  11. 11.66 + 42 =
  12. 12.43 + 46 =
  13. 13.79 + 36 =
  14. 14.39 + 67 =
  15. 15.77 + 69 =
  16. 16.43 + 52 =
  17. 17.35 + 65 =
  18. 18.28 + 12 =
  19. 19.34 + 57 =
  20. 20.29 + 88 =
  21. 21.70 + 21 =
  22. 22.71 + 73 =
  23. 23.61 + 79 =
  24. 24.73 + 22 =
  25. 25.73 + 34 =
  26. 26.35 + 21 =
  27. 27.43 + 58 =
  28. 28.46 + 79 =
  29. 29.66 + 29 =
  30. 30.72 + 85 =
  31. 31.49 + 45 =
  32. 32.69 + 29 =
  33. 33.54 + 21 =
  34. 34.71 + 31 =
  35. 35.50 + 24 =
  36. 36.83 + 81 =
  37. 37.46 + 68 =
  38. 38.76 + 35 =
  39. 39.33 + 82 =
  40. 40.70 + 87 =

Answer key

  1. 105
  2. 99
  3. 128
  4. 63
  5. 109
  6. 105
  7. 46
  8. 71
  9. 124
  10. 106
  11. 108
  12. 89
  13. 115
  14. 106
  15. 146
  16. 95
  17. 100
  18. 40
  19. 91
  20. 117
  21. 91
  22. 144
  23. 140
  24. 95
  25. 107
  26. 56
  27. 101
  28. 125
  29. 95
  30. 157
  31. 94
  32. 98
  33. 75
  34. 102
  35. 74
  36. 164
  37. 114
  38. 111
  39. 115
  40. 157

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