← 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 684 · 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. 1.84 + 49 =
  2. 2.45 + 27 =
  3. 3.73 + 25 =
  4. 4.25 + 43 =
  5. 5.67 + 21 =
  6. 6.76 + 39 =
  7. 7.77 + 35 =
  8. 8.62 + 61 =
  9. 9.80 + 88 =
  10. 10.73 + 31 =
  11. 11.21 + 73 =
  12. 12.22 + 56 =
  13. 13.62 + 53 =
  14. 14.66 + 14 =
  15. 15.31 + 17 =
  16. 16.55 + 24 =
  17. 17.83 + 62 =
  18. 18.47 + 16 =
  19. 19.48 + 18 =
  20. 20.46 + 31 =
  21. 21.60 + 76 =
  22. 22.54 + 42 =
  23. 23.43 + 81 =
  24. 24.81 + 31 =
  25. 25.66 + 68 =
  26. 26.40 + 31 =
  27. 27.39 + 59 =
  28. 28.60 + 36 =
  29. 29.42 + 83 =
  30. 30.52 + 27 =
  31. 31.39 + 22 =
  32. 32.75 + 24 =
  33. 33.52 + 51 =
  34. 34.69 + 83 =
  35. 35.37 + 86 =
  36. 36.47 + 81 =
  37. 37.78 + 33 =
  38. 38.82 + 34 =
  39. 39.46 + 84 =
  40. 40.49 + 65 =

Answer key

  1. 133
  2. 72
  3. 98
  4. 68
  5. 88
  6. 115
  7. 112
  8. 123
  9. 168
  10. 104
  11. 94
  12. 78
  13. 115
  14. 80
  15. 48
  16. 79
  17. 145
  18. 63
  19. 66
  20. 77
  21. 136
  22. 96
  23. 124
  24. 112
  25. 134
  26. 71
  27. 98
  28. 96
  29. 125
  30. 79
  31. 61
  32. 99
  33. 103
  34. 152
  35. 123
  36. 128
  37. 111
  38. 116
  39. 130
  40. 114

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