← 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 853 · 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. 1.70 + 16 =
  2. 2.26 + 12 =
  3. 3.87 + 22 =
  4. 4.41 + 22 =
  5. 5.31 + 24 =
  6. 6.63 + 21 =
  7. 7.78 + 31 =
  8. 8.29 + 47 =
  9. 9.32 + 61 =
  10. 10.47 + 84 =
  11. 11.35 + 31 =
  12. 12.80 + 18 =
  13. 13.58 + 63 =
  14. 14.82 + 51 =
  15. 15.79 + 36 =
  16. 16.87 + 45 =
  17. 17.87 + 57 =
  18. 18.31 + 46 =
  19. 19.61 + 33 =
  20. 20.53 + 29 =
  21. 21.23 + 78 =
  22. 22.65 + 54 =
  23. 23.39 + 74 =
  24. 24.52 + 75 =
  25. 25.73 + 26 =
  26. 26.36 + 54 =
  27. 27.39 + 32 =
  28. 28.89 + 56 =
  29. 29.49 + 34 =
  30. 30.81 + 16 =
  31. 31.33 + 85 =
  32. 32.81 + 57 =
  33. 33.69 + 68 =
  34. 34.27 + 15 =
  35. 35.34 + 61 =
  36. 36.64 + 12 =
  37. 37.88 + 81 =
  38. 38.49 + 26 =
  39. 39.86 + 36 =
  40. 40.41 + 41 =

Answer key

  1. 86
  2. 38
  3. 109
  4. 63
  5. 55
  6. 84
  7. 109
  8. 76
  9. 93
  10. 131
  11. 66
  12. 98
  13. 121
  14. 133
  15. 115
  16. 132
  17. 144
  18. 77
  19. 94
  20. 82
  21. 101
  22. 119
  23. 113
  24. 127
  25. 99
  26. 90
  27. 71
  28. 145
  29. 83
  30. 97
  31. 118
  32. 138
  33. 137
  34. 42
  35. 95
  36. 76
  37. 169
  38. 75
  39. 122
  40. 82

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