← 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 842 · 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. 1.27 + 67 =
  2. 2.65 + 34 =
  3. 3.50 + 82 =
  4. 4.56 + 54 =
  5. 5.25 + 74 =
  6. 6.72 + 63 =
  7. 7.49 + 85 =
  8. 8.22 + 65 =
  9. 9.76 + 38 =
  10. 10.89 + 26 =
  11. 11.62 + 52 =
  12. 12.69 + 45 =
  13. 13.22 + 23 =
  14. 14.50 + 22 =
  15. 15.33 + 58 =
  16. 16.75 + 78 =
  17. 17.49 + 77 =
  18. 18.34 + 34 =
  19. 19.51 + 48 =
  20. 20.89 + 57 =
  21. 21.77 + 22 =
  22. 22.44 + 37 =
  23. 23.22 + 41 =
  24. 24.26 + 21 =
  25. 25.46 + 78 =
  26. 26.44 + 41 =
  27. 27.29 + 24 =
  28. 28.48 + 45 =
  29. 29.88 + 21 =
  30. 30.61 + 42 =
  31. 31.82 + 43 =
  32. 32.49 + 46 =
  33. 33.79 + 22 =
  34. 34.59 + 29 =
  35. 35.82 + 55 =
  36. 36.44 + 45 =
  37. 37.68 + 86 =
  38. 38.68 + 34 =
  39. 39.32 + 59 =
  40. 40.54 + 42 =

Answer key

  1. 94
  2. 99
  3. 132
  4. 110
  5. 99
  6. 135
  7. 134
  8. 87
  9. 114
  10. 115
  11. 114
  12. 114
  13. 45
  14. 72
  15. 91
  16. 153
  17. 126
  18. 68
  19. 99
  20. 146
  21. 99
  22. 81
  23. 63
  24. 47
  25. 124
  26. 85
  27. 53
  28. 93
  29. 109
  30. 103
  31. 125
  32. 95
  33. 101
  34. 88
  35. 137
  36. 89
  37. 154
  38. 102
  39. 91
  40. 96

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