← 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 362 · 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. 1.23 + 65 =
  2. 2.76 + 53 =
  3. 3.59 + 41 =
  4. 4.79 + 86 =
  5. 5.58 + 51 =
  6. 6.41 + 24 =
  7. 7.86 + 62 =
  8. 8.70 + 31 =
  9. 9.86 + 13 =
  10. 10.68 + 13 =
  11. 11.25 + 62 =
  12. 12.33 + 71 =
  13. 13.67 + 17 =
  14. 14.70 + 55 =
  15. 15.50 + 66 =
  16. 16.58 + 24 =
  17. 17.72 + 21 =
  18. 18.83 + 52 =
  19. 19.28 + 77 =
  20. 20.28 + 66 =
  21. 21.74 + 65 =
  22. 22.52 + 75 =
  23. 23.25 + 75 =
  24. 24.79 + 79 =
  25. 25.67 + 25 =
  26. 26.72 + 37 =
  27. 27.35 + 82 =
  28. 28.33 + 63 =
  29. 29.32 + 38 =
  30. 30.44 + 22 =
  31. 31.81 + 33 =
  32. 32.24 + 34 =
  33. 33.27 + 48 =
  34. 34.27 + 67 =
  35. 35.89 + 52 =
  36. 36.41 + 56 =
  37. 37.73 + 84 =
  38. 38.77 + 57 =
  39. 39.63 + 41 =
  40. 40.85 + 82 =

Answer key

  1. 88
  2. 129
  3. 100
  4. 165
  5. 109
  6. 65
  7. 148
  8. 101
  9. 99
  10. 81
  11. 87
  12. 104
  13. 84
  14. 125
  15. 116
  16. 82
  17. 93
  18. 135
  19. 105
  20. 94
  21. 139
  22. 127
  23. 100
  24. 158
  25. 92
  26. 109
  27. 117
  28. 96
  29. 70
  30. 66
  31. 114
  32. 58
  33. 75
  34. 94
  35. 141
  36. 97
  37. 157
  38. 134
  39. 104
  40. 167

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