← 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 612 · 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. 1.38 + 23 =
  2. 2.67 + 83 =
  3. 3.87 + 61 =
  4. 4.51 + 64 =
  5. 5.77 + 42 =
  6. 6.39 + 59 =
  7. 7.77 + 31 =
  8. 8.53 + 83 =
  9. 9.50 + 41 =
  10. 10.78 + 84 =
  11. 11.85 + 61 =
  12. 12.62 + 73 =
  13. 13.68 + 89 =
  14. 14.37 + 28 =
  15. 15.75 + 63 =
  16. 16.67 + 48 =
  17. 17.66 + 31 =
  18. 18.41 + 17 =
  19. 19.48 + 12 =
  20. 20.86 + 49 =
  21. 21.55 + 51 =
  22. 22.31 + 28 =
  23. 23.47 + 58 =
  24. 24.45 + 42 =
  25. 25.24 + 38 =
  26. 26.50 + 26 =
  27. 27.70 + 74 =
  28. 28.53 + 88 =
  29. 29.44 + 29 =
  30. 30.33 + 58 =
  31. 31.35 + 43 =
  32. 32.68 + 32 =
  33. 33.89 + 71 =
  34. 34.70 + 85 =
  35. 35.71 + 73 =
  36. 36.88 + 81 =
  37. 37.21 + 36 =
  38. 38.72 + 37 =
  39. 39.65 + 55 =
  40. 40.31 + 51 =

Answer key

  1. 61
  2. 150
  3. 148
  4. 115
  5. 119
  6. 98
  7. 108
  8. 136
  9. 91
  10. 162
  11. 146
  12. 135
  13. 157
  14. 65
  15. 138
  16. 115
  17. 97
  18. 58
  19. 60
  20. 135
  21. 106
  22. 59
  23. 105
  24. 87
  25. 62
  26. 76
  27. 144
  28. 141
  29. 73
  30. 91
  31. 78
  32. 100
  33. 160
  34. 155
  35. 144
  36. 169
  37. 57
  38. 109
  39. 120
  40. 82

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