← 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 881 · 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. 1.29 + 26 =
  2. 2.38 + 22 =
  3. 3.74 + 68 =
  4. 4.81 + 36 =
  5. 5.88 + 61 =
  6. 6.26 + 46 =
  7. 7.36 + 22 =
  8. 8.56 + 15 =
  9. 9.35 + 86 =
  10. 10.87 + 24 =
  11. 11.67 + 39 =
  12. 12.80 + 51 =
  13. 13.54 + 56 =
  14. 14.27 + 82 =
  15. 15.67 + 22 =
  16. 16.58 + 16 =
  17. 17.85 + 74 =
  18. 18.50 + 12 =
  19. 19.86 + 43 =
  20. 20.73 + 22 =
  21. 21.88 + 25 =
  22. 22.88 + 75 =
  23. 23.80 + 73 =
  24. 24.45 + 87 =
  25. 25.44 + 15 =
  26. 26.61 + 51 =
  27. 27.69 + 65 =
  28. 28.42 + 86 =
  29. 29.76 + 28 =
  30. 30.89 + 32 =
  31. 31.77 + 49 =
  32. 32.83 + 35 =
  33. 33.60 + 58 =
  34. 34.83 + 87 =
  35. 35.34 + 67 =
  36. 36.54 + 83 =
  37. 37.44 + 82 =
  38. 38.24 + 32 =
  39. 39.76 + 89 =
  40. 40.82 + 31 =

Answer key

  1. 55
  2. 60
  3. 142
  4. 117
  5. 149
  6. 72
  7. 58
  8. 71
  9. 121
  10. 111
  11. 106
  12. 131
  13. 110
  14. 109
  15. 89
  16. 74
  17. 159
  18. 62
  19. 129
  20. 95
  21. 113
  22. 163
  23. 153
  24. 132
  25. 59
  26. 112
  27. 134
  28. 128
  29. 104
  30. 121
  31. 126
  32. 118
  33. 118
  34. 170
  35. 101
  36. 137
  37. 126
  38. 56
  39. 165
  40. 113

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