← 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 565 · 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. 1.31 + 22 =
  2. 2.64 + 31 =
  3. 3.72 + 61 =
  4. 4.74 + 77 =
  5. 5.75 + 81 =
  6. 6.21 + 21 =
  7. 7.23 + 51 =
  8. 8.37 + 34 =
  9. 9.85 + 66 =
  10. 10.63 + 74 =
  11. 11.76 + 44 =
  12. 12.28 + 12 =
  13. 13.61 + 15 =
  14. 14.25 + 75 =
  15. 15.35 + 43 =
  16. 16.65 + 41 =
  17. 17.56 + 53 =
  18. 18.67 + 64 =
  19. 19.68 + 72 =
  20. 20.33 + 73 =
  21. 21.46 + 31 =
  22. 22.59 + 41 =
  23. 23.68 + 23 =
  24. 24.64 + 43 =
  25. 25.45 + 86 =
  26. 26.60 + 78 =
  27. 27.54 + 68 =
  28. 28.35 + 87 =
  29. 29.70 + 52 =
  30. 30.68 + 61 =
  31. 31.80 + 25 =
  32. 32.38 + 85 =
  33. 33.54 + 71 =
  34. 34.59 + 22 =
  35. 35.27 + 67 =
  36. 36.71 + 59 =
  37. 37.29 + 81 =
  38. 38.83 + 65 =
  39. 39.48 + 87 =
  40. 40.70 + 39 =

Answer key

  1. 53
  2. 95
  3. 133
  4. 151
  5. 156
  6. 42
  7. 74
  8. 71
  9. 151
  10. 137
  11. 120
  12. 40
  13. 76
  14. 100
  15. 78
  16. 106
  17. 109
  18. 131
  19. 140
  20. 106
  21. 77
  22. 100
  23. 91
  24. 107
  25. 131
  26. 138
  27. 122
  28. 122
  29. 122
  30. 129
  31. 105
  32. 123
  33. 125
  34. 81
  35. 94
  36. 130
  37. 110
  38. 148
  39. 135
  40. 109

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