← 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 771 · 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. 1.67 + 29 =
  2. 2.81 + 81 =
  3. 3.53 + 23 =
  4. 4.55 + 36 =
  5. 5.58 + 48 =
  6. 6.66 + 26 =
  7. 7.58 + 28 =
  8. 8.88 + 61 =
  9. 9.86 + 65 =
  10. 10.40 + 49 =
  11. 11.88 + 21 =
  12. 12.88 + 57 =
  13. 13.84 + 12 =
  14. 14.82 + 21 =
  15. 15.25 + 63 =
  16. 16.33 + 28 =
  17. 17.78 + 29 =
  18. 18.47 + 77 =
  19. 19.33 + 76 =
  20. 20.30 + 82 =
  21. 21.66 + 19 =
  22. 22.70 + 21 =
  23. 23.53 + 78 =
  24. 24.62 + 13 =
  25. 25.62 + 68 =
  26. 26.21 + 74 =
  27. 27.34 + 68 =
  28. 28.77 + 37 =
  29. 29.23 + 86 =
  30. 30.70 + 47 =
  31. 31.45 + 61 =
  32. 32.72 + 31 =
  33. 33.60 + 73 =
  34. 34.50 + 81 =
  35. 35.48 + 68 =
  36. 36.87 + 56 =
  37. 37.86 + 24 =
  38. 38.89 + 57 =
  39. 39.53 + 76 =
  40. 40.60 + 36 =

Answer key

  1. 96
  2. 162
  3. 76
  4. 91
  5. 106
  6. 92
  7. 86
  8. 149
  9. 151
  10. 89
  11. 109
  12. 145
  13. 96
  14. 103
  15. 88
  16. 61
  17. 107
  18. 124
  19. 109
  20. 112
  21. 85
  22. 91
  23. 131
  24. 75
  25. 130
  26. 95
  27. 102
  28. 114
  29. 109
  30. 117
  31. 106
  32. 103
  33. 133
  34. 131
  35. 116
  36. 143
  37. 110
  38. 146
  39. 129
  40. 96

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