← 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 507 · 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. 1.25 + 86 =
  2. 2.45 + 32 =
  3. 3.67 + 19 =
  4. 4.28 + 71 =
  5. 5.73 + 34 =
  6. 6.40 + 58 =
  7. 7.89 + 21 =
  8. 8.41 + 12 =
  9. 9.38 + 78 =
  10. 10.40 + 84 =
  11. 11.24 + 27 =
  12. 12.81 + 32 =
  13. 13.21 + 73 =
  14. 14.33 + 12 =
  15. 15.75 + 41 =
  16. 16.54 + 27 =
  17. 17.47 + 74 =
  18. 18.42 + 28 =
  19. 19.55 + 19 =
  20. 20.30 + 62 =
  21. 21.86 + 87 =
  22. 22.37 + 38 =
  23. 23.73 + 46 =
  24. 24.38 + 75 =
  25. 25.44 + 43 =
  26. 26.50 + 38 =
  27. 27.55 + 73 =
  28. 28.38 + 52 =
  29. 29.42 + 83 =
  30. 30.37 + 56 =
  31. 31.29 + 13 =
  32. 32.39 + 62 =
  33. 33.63 + 65 =
  34. 34.66 + 66 =
  35. 35.71 + 15 =
  36. 36.61 + 33 =
  37. 37.29 + 23 =
  38. 38.55 + 44 =
  39. 39.36 + 58 =
  40. 40.60 + 74 =

Answer key

  1. 111
  2. 77
  3. 86
  4. 99
  5. 107
  6. 98
  7. 110
  8. 53
  9. 116
  10. 124
  11. 51
  12. 113
  13. 94
  14. 45
  15. 116
  16. 81
  17. 121
  18. 70
  19. 74
  20. 92
  21. 173
  22. 75
  23. 119
  24. 113
  25. 87
  26. 88
  27. 128
  28. 90
  29. 125
  30. 93
  31. 42
  32. 101
  33. 128
  34. 132
  35. 86
  36. 94
  37. 52
  38. 99
  39. 94
  40. 134

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