← 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 568 · 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 + 46 =
  2. 2.68 + 37 =
  3. 3.68 + 45 =
  4. 4.51 + 87 =
  5. 5.55 + 43 =
  6. 6.22 + 72 =
  7. 7.30 + 32 =
  8. 8.79 + 51 =
  9. 9.56 + 75 =
  10. 10.67 + 85 =
  11. 11.42 + 41 =
  12. 12.24 + 32 =
  13. 13.72 + 63 =
  14. 14.50 + 76 =
  15. 15.49 + 69 =
  16. 16.50 + 15 =
  17. 17.34 + 36 =
  18. 18.86 + 51 =
  19. 19.26 + 59 =
  20. 20.61 + 14 =
  21. 21.37 + 62 =
  22. 22.46 + 21 =
  23. 23.24 + 23 =
  24. 24.55 + 24 =
  25. 25.40 + 78 =
  26. 26.37 + 74 =
  27. 27.73 + 55 =
  28. 28.30 + 38 =
  29. 29.33 + 65 =
  30. 30.61 + 75 =
  31. 31.33 + 33 =
  32. 32.69 + 66 =
  33. 33.66 + 77 =
  34. 34.50 + 51 =
  35. 35.54 + 26 =
  36. 36.25 + 28 =
  37. 37.85 + 59 =
  38. 38.30 + 21 =
  39. 39.87 + 58 =
  40. 40.34 + 27 =

Answer key

  1. 131
  2. 105
  3. 113
  4. 138
  5. 98
  6. 94
  7. 62
  8. 130
  9. 131
  10. 152
  11. 83
  12. 56
  13. 135
  14. 126
  15. 118
  16. 65
  17. 70
  18. 137
  19. 85
  20. 75
  21. 99
  22. 67
  23. 47
  24. 79
  25. 118
  26. 111
  27. 128
  28. 68
  29. 98
  30. 136
  31. 66
  32. 135
  33. 143
  34. 101
  35. 80
  36. 53
  37. 144
  38. 51
  39. 145
  40. 61

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