← 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 428 · 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. 1.64 + 46 =
  2. 2.72 + 18 =
  3. 3.35 + 45 =
  4. 4.22 + 55 =
  5. 5.77 + 73 =
  6. 6.86 + 51 =
  7. 7.57 + 41 =
  8. 8.21 + 83 =
  9. 9.59 + 48 =
  10. 10.74 + 59 =
  11. 11.87 + 24 =
  12. 12.56 + 33 =
  13. 13.63 + 16 =
  14. 14.36 + 33 =
  15. 15.77 + 53 =
  16. 16.88 + 63 =
  17. 17.22 + 81 =
  18. 18.49 + 44 =
  19. 19.41 + 61 =
  20. 20.22 + 52 =
  21. 21.70 + 45 =
  22. 22.34 + 53 =
  23. 23.35 + 67 =
  24. 24.89 + 61 =
  25. 25.47 + 53 =
  26. 26.44 + 83 =
  27. 27.33 + 69 =
  28. 28.52 + 21 =
  29. 29.27 + 62 =
  30. 30.56 + 14 =
  31. 31.54 + 72 =
  32. 32.45 + 48 =
  33. 33.32 + 26 =
  34. 34.86 + 81 =
  35. 35.24 + 27 =
  36. 36.58 + 63 =
  37. 37.41 + 71 =
  38. 38.57 + 15 =
  39. 39.75 + 33 =
  40. 40.88 + 13 =

Answer key

  1. 110
  2. 90
  3. 80
  4. 77
  5. 150
  6. 137
  7. 98
  8. 104
  9. 107
  10. 133
  11. 111
  12. 89
  13. 79
  14. 69
  15. 130
  16. 151
  17. 103
  18. 93
  19. 102
  20. 74
  21. 115
  22. 87
  23. 102
  24. 150
  25. 100
  26. 127
  27. 102
  28. 73
  29. 89
  30. 70
  31. 126
  32. 93
  33. 58
  34. 167
  35. 51
  36. 121
  37. 112
  38. 72
  39. 108
  40. 101

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