← 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 748 · 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. 1.50 + 38 =
  2. 2.78 + 41 =
  3. 3.38 + 44 =
  4. 4.26 + 48 =
  5. 5.61 + 36 =
  6. 6.42 + 36 =
  7. 7.39 + 13 =
  8. 8.60 + 58 =
  9. 9.55 + 64 =
  10. 10.24 + 38 =
  11. 11.83 + 16 =
  12. 12.29 + 28 =
  13. 13.70 + 66 =
  14. 14.23 + 59 =
  15. 15.24 + 56 =
  16. 16.64 + 73 =
  17. 17.44 + 36 =
  18. 18.89 + 13 =
  19. 19.79 + 17 =
  20. 20.27 + 64 =
  21. 21.31 + 56 =
  22. 22.72 + 41 =
  23. 23.51 + 34 =
  24. 24.46 + 59 =
  25. 25.57 + 42 =
  26. 26.39 + 51 =
  27. 27.44 + 66 =
  28. 28.58 + 34 =
  29. 29.43 + 21 =
  30. 30.82 + 73 =
  31. 31.29 + 51 =
  32. 32.48 + 86 =
  33. 33.58 + 61 =
  34. 34.85 + 76 =
  35. 35.58 + 73 =
  36. 36.46 + 71 =
  37. 37.28 + 12 =
  38. 38.56 + 42 =
  39. 39.34 + 27 =
  40. 40.82 + 61 =

Answer key

  1. 88
  2. 119
  3. 82
  4. 74
  5. 97
  6. 78
  7. 52
  8. 118
  9. 119
  10. 62
  11. 99
  12. 57
  13. 136
  14. 82
  15. 80
  16. 137
  17. 80
  18. 102
  19. 96
  20. 91
  21. 87
  22. 113
  23. 85
  24. 105
  25. 99
  26. 90
  27. 110
  28. 92
  29. 64
  30. 155
  31. 80
  32. 134
  33. 119
  34. 161
  35. 131
  36. 117
  37. 40
  38. 98
  39. 61
  40. 143

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