← 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 161 · 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. 1.85 + 89 =
  2. 2.76 + 31 =
  3. 3.36 + 24 =
  4. 4.56 + 25 =
  5. 5.49 + 56 =
  6. 6.25 + 87 =
  7. 7.70 + 17 =
  8. 8.68 + 31 =
  9. 9.40 + 24 =
  10. 10.53 + 21 =
  11. 11.53 + 17 =
  12. 12.87 + 76 =
  13. 13.33 + 83 =
  14. 14.77 + 69 =
  15. 15.51 + 76 =
  16. 16.27 + 71 =
  17. 17.36 + 73 =
  18. 18.28 + 48 =
  19. 19.42 + 43 =
  20. 20.67 + 49 =
  21. 21.25 + 17 =
  22. 22.52 + 81 =
  23. 23.53 + 54 =
  24. 24.58 + 12 =
  25. 25.35 + 57 =
  26. 26.82 + 61 =
  27. 27.49 + 42 =
  28. 28.34 + 59 =
  29. 29.39 + 65 =
  30. 30.86 + 74 =
  31. 31.34 + 13 =
  32. 32.64 + 86 =
  33. 33.43 + 56 =
  34. 34.43 + 61 =
  35. 35.39 + 39 =
  36. 36.23 + 54 =
  37. 37.22 + 29 =
  38. 38.72 + 17 =
  39. 39.43 + 48 =
  40. 40.32 + 66 =

Answer key

  1. 174
  2. 107
  3. 60
  4. 81
  5. 105
  6. 112
  7. 87
  8. 99
  9. 64
  10. 74
  11. 70
  12. 163
  13. 116
  14. 146
  15. 127
  16. 98
  17. 109
  18. 76
  19. 85
  20. 116
  21. 42
  22. 133
  23. 107
  24. 70
  25. 92
  26. 143
  27. 91
  28. 93
  29. 104
  30. 160
  31. 47
  32. 150
  33. 99
  34. 104
  35. 78
  36. 77
  37. 51
  38. 89
  39. 91
  40. 98

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