← 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 192 · 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. 1.30 + 78 =
  2. 2.26 + 33 =
  3. 3.62 + 58 =
  4. 4.42 + 54 =
  5. 5.73 + 22 =
  6. 6.36 + 33 =
  7. 7.62 + 83 =
  8. 8.43 + 68 =
  9. 9.39 + 14 =
  10. 10.37 + 19 =
  11. 11.48 + 34 =
  12. 12.78 + 52 =
  13. 13.87 + 25 =
  14. 14.26 + 59 =
  15. 15.43 + 47 =
  16. 16.61 + 23 =
  17. 17.22 + 67 =
  18. 18.70 + 44 =
  19. 19.63 + 24 =
  20. 20.65 + 75 =
  21. 21.39 + 71 =
  22. 22.52 + 47 =
  23. 23.58 + 74 =
  24. 24.73 + 19 =
  25. 25.69 + 56 =
  26. 26.68 + 61 =
  27. 27.34 + 21 =
  28. 28.42 + 72 =
  29. 29.25 + 17 =
  30. 30.25 + 51 =
  31. 31.38 + 53 =
  32. 32.49 + 29 =
  33. 33.53 + 73 =
  34. 34.24 + 66 =
  35. 35.31 + 44 =
  36. 36.21 + 67 =
  37. 37.52 + 89 =
  38. 38.68 + 24 =
  39. 39.31 + 58 =
  40. 40.23 + 83 =

Answer key

  1. 108
  2. 59
  3. 120
  4. 96
  5. 95
  6. 69
  7. 145
  8. 111
  9. 53
  10. 56
  11. 82
  12. 130
  13. 112
  14. 85
  15. 90
  16. 84
  17. 89
  18. 114
  19. 87
  20. 140
  21. 110
  22. 99
  23. 132
  24. 92
  25. 125
  26. 129
  27. 55
  28. 114
  29. 42
  30. 76
  31. 91
  32. 78
  33. 126
  34. 90
  35. 75
  36. 88
  37. 141
  38. 92
  39. 89
  40. 106

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