← 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 441 · 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. 1.46 + 36 =
  2. 2.78 + 68 =
  3. 3.35 + 81 =
  4. 4.30 + 21 =
  5. 5.60 + 51 =
  6. 6.80 + 55 =
  7. 7.40 + 14 =
  8. 8.33 + 38 =
  9. 9.26 + 41 =
  10. 10.29 + 28 =
  11. 11.34 + 69 =
  12. 12.23 + 88 =
  13. 13.51 + 88 =
  14. 14.37 + 82 =
  15. 15.49 + 12 =
  16. 16.38 + 81 =
  17. 17.76 + 49 =
  18. 18.46 + 85 =
  19. 19.42 + 55 =
  20. 20.86 + 33 =
  21. 21.37 + 14 =
  22. 22.53 + 84 =
  23. 23.33 + 36 =
  24. 24.65 + 23 =
  25. 25.50 + 47 =
  26. 26.85 + 85 =
  27. 27.49 + 26 =
  28. 28.79 + 62 =
  29. 29.60 + 33 =
  30. 30.77 + 67 =
  31. 31.33 + 21 =
  32. 32.41 + 16 =
  33. 33.31 + 39 =
  34. 34.27 + 31 =
  35. 35.24 + 67 =
  36. 36.67 + 31 =
  37. 37.33 + 83 =
  38. 38.36 + 23 =
  39. 39.54 + 79 =
  40. 40.25 + 63 =

Answer key

  1. 82
  2. 146
  3. 116
  4. 51
  5. 111
  6. 135
  7. 54
  8. 71
  9. 67
  10. 57
  11. 103
  12. 111
  13. 139
  14. 119
  15. 61
  16. 119
  17. 125
  18. 131
  19. 97
  20. 119
  21. 51
  22. 137
  23. 69
  24. 88
  25. 97
  26. 170
  27. 75
  28. 141
  29. 93
  30. 144
  31. 54
  32. 57
  33. 70
  34. 58
  35. 91
  36. 98
  37. 116
  38. 59
  39. 133
  40. 88

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