← 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 722 · 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. 1.49 + 34 =
  2. 2.52 + 27 =
  3. 3.45 + 68 =
  4. 4.28 + 57 =
  5. 5.81 + 56 =
  6. 6.89 + 48 =
  7. 7.57 + 81 =
  8. 8.28 + 41 =
  9. 9.42 + 31 =
  10. 10.30 + 28 =
  11. 11.27 + 13 =
  12. 12.71 + 88 =
  13. 13.43 + 81 =
  14. 14.74 + 61 =
  15. 15.48 + 77 =
  16. 16.76 + 81 =
  17. 17.40 + 38 =
  18. 18.29 + 18 =
  19. 19.83 + 13 =
  20. 20.65 + 32 =
  21. 21.33 + 88 =
  22. 22.78 + 25 =
  23. 23.70 + 21 =
  24. 24.22 + 51 =
  25. 25.36 + 56 =
  26. 26.21 + 58 =
  27. 27.32 + 56 =
  28. 28.47 + 44 =
  29. 29.52 + 63 =
  30. 30.78 + 65 =
  31. 31.30 + 36 =
  32. 32.25 + 87 =
  33. 33.51 + 61 =
  34. 34.87 + 51 =
  35. 35.37 + 88 =
  36. 36.72 + 71 =
  37. 37.70 + 19 =
  38. 38.70 + 45 =
  39. 39.74 + 17 =
  40. 40.78 + 69 =

Answer key

  1. 83
  2. 79
  3. 113
  4. 85
  5. 137
  6. 137
  7. 138
  8. 69
  9. 73
  10. 58
  11. 40
  12. 159
  13. 124
  14. 135
  15. 125
  16. 157
  17. 78
  18. 47
  19. 96
  20. 97
  21. 121
  22. 103
  23. 91
  24. 73
  25. 92
  26. 79
  27. 88
  28. 91
  29. 115
  30. 143
  31. 66
  32. 112
  33. 112
  34. 138
  35. 125
  36. 143
  37. 89
  38. 115
  39. 91
  40. 147

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