← 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 556 · 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. 1.29 + 45 =
  2. 2.68 + 46 =
  3. 3.25 + 82 =
  4. 4.22 + 75 =
  5. 5.72 + 77 =
  6. 6.24 + 43 =
  7. 7.75 + 41 =
  8. 8.83 + 41 =
  9. 9.41 + 86 =
  10. 10.86 + 29 =
  11. 11.76 + 81 =
  12. 12.56 + 65 =
  13. 13.73 + 26 =
  14. 14.26 + 81 =
  15. 15.77 + 57 =
  16. 16.82 + 15 =
  17. 17.41 + 53 =
  18. 18.32 + 21 =
  19. 19.76 + 59 =
  20. 20.87 + 57 =
  21. 21.50 + 55 =
  22. 22.74 + 13 =
  23. 23.30 + 21 =
  24. 24.28 + 86 =
  25. 25.47 + 44 =
  26. 26.35 + 21 =
  27. 27.86 + 24 =
  28. 28.81 + 47 =
  29. 29.31 + 69 =
  30. 30.26 + 28 =
  31. 31.83 + 67 =
  32. 32.75 + 35 =
  33. 33.28 + 25 =
  34. 34.47 + 35 =
  35. 35.44 + 31 =
  36. 36.73 + 34 =
  37. 37.66 + 89 =
  38. 38.28 + 73 =
  39. 39.25 + 73 =
  40. 40.78 + 81 =

Answer key

  1. 74
  2. 114
  3. 107
  4. 97
  5. 149
  6. 67
  7. 116
  8. 124
  9. 127
  10. 115
  11. 157
  12. 121
  13. 99
  14. 107
  15. 134
  16. 97
  17. 94
  18. 53
  19. 135
  20. 144
  21. 105
  22. 87
  23. 51
  24. 114
  25. 91
  26. 56
  27. 110
  28. 128
  29. 100
  30. 54
  31. 150
  32. 110
  33. 53
  34. 82
  35. 75
  36. 107
  37. 155
  38. 101
  39. 98
  40. 159

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