← 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 182 · 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. 1.35 + 83 =
  2. 2.88 + 48 =
  3. 3.52 + 78 =
  4. 4.72 + 62 =
  5. 5.52 + 73 =
  6. 6.21 + 13 =
  7. 7.58 + 57 =
  8. 8.38 + 65 =
  9. 9.40 + 36 =
  10. 10.83 + 38 =
  11. 11.29 + 15 =
  12. 12.74 + 32 =
  13. 13.24 + 63 =
  14. 14.50 + 79 =
  15. 15.42 + 45 =
  16. 16.33 + 85 =
  17. 17.63 + 12 =
  18. 18.62 + 86 =
  19. 19.41 + 31 =
  20. 20.36 + 17 =
  21. 21.89 + 87 =
  22. 22.32 + 25 =
  23. 23.27 + 87 =
  24. 24.75 + 77 =
  25. 25.63 + 81 =
  26. 26.84 + 44 =
  27. 27.68 + 73 =
  28. 28.56 + 43 =
  29. 29.21 + 37 =
  30. 30.64 + 78 =
  31. 31.23 + 72 =
  32. 32.25 + 84 =
  33. 33.79 + 32 =
  34. 34.65 + 41 =
  35. 35.53 + 29 =
  36. 36.71 + 27 =
  37. 37.75 + 34 =
  38. 38.68 + 83 =
  39. 39.34 + 62 =
  40. 40.43 + 27 =

Answer key

  1. 118
  2. 136
  3. 130
  4. 134
  5. 125
  6. 34
  7. 115
  8. 103
  9. 76
  10. 121
  11. 44
  12. 106
  13. 87
  14. 129
  15. 87
  16. 118
  17. 75
  18. 148
  19. 72
  20. 53
  21. 176
  22. 57
  23. 114
  24. 152
  25. 144
  26. 128
  27. 141
  28. 99
  29. 58
  30. 142
  31. 95
  32. 109
  33. 111
  34. 106
  35. 82
  36. 98
  37. 109
  38. 151
  39. 96
  40. 70

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