← 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 930 · 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. 1.80 + 29 =
  2. 2.66 + 22 =
  3. 3.31 + 39 =
  4. 4.83 + 79 =
  5. 5.22 + 58 =
  6. 6.77 + 51 =
  7. 7.69 + 52 =
  8. 8.38 + 66 =
  9. 9.33 + 65 =
  10. 10.62 + 26 =
  11. 11.57 + 57 =
  12. 12.65 + 38 =
  13. 13.54 + 72 =
  14. 14.57 + 15 =
  15. 15.83 + 81 =
  16. 16.69 + 88 =
  17. 17.63 + 66 =
  18. 18.35 + 78 =
  19. 19.75 + 59 =
  20. 20.70 + 82 =
  21. 21.39 + 13 =
  22. 22.54 + 32 =
  23. 23.54 + 88 =
  24. 24.81 + 34 =
  25. 25.67 + 49 =
  26. 26.69 + 87 =
  27. 27.67 + 58 =
  28. 28.84 + 18 =
  29. 29.49 + 57 =
  30. 30.86 + 21 =
  31. 31.42 + 77 =
  32. 32.61 + 58 =
  33. 33.26 + 21 =
  34. 34.28 + 79 =
  35. 35.57 + 18 =
  36. 36.25 + 54 =
  37. 37.28 + 61 =
  38. 38.36 + 52 =
  39. 39.63 + 44 =
  40. 40.46 + 89 =

Answer key

  1. 109
  2. 88
  3. 70
  4. 162
  5. 80
  6. 128
  7. 121
  8. 104
  9. 98
  10. 88
  11. 114
  12. 103
  13. 126
  14. 72
  15. 164
  16. 157
  17. 129
  18. 113
  19. 134
  20. 152
  21. 52
  22. 86
  23. 142
  24. 115
  25. 116
  26. 156
  27. 125
  28. 102
  29. 106
  30. 107
  31. 119
  32. 119
  33. 47
  34. 107
  35. 75
  36. 79
  37. 89
  38. 88
  39. 107
  40. 135

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