← 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 951 · 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. 1.27 + 38 =
  2. 2.70 + 31 =
  3. 3.25 + 25 =
  4. 4.76 + 12 =
  5. 5.30 + 59 =
  6. 6.36 + 69 =
  7. 7.66 + 19 =
  8. 8.37 + 19 =
  9. 9.83 + 16 =
  10. 10.22 + 76 =
  11. 11.57 + 14 =
  12. 12.64 + 31 =
  13. 13.43 + 21 =
  14. 14.38 + 38 =
  15. 15.38 + 79 =
  16. 16.75 + 32 =
  17. 17.72 + 45 =
  18. 18.48 + 81 =
  19. 19.27 + 31 =
  20. 20.38 + 86 =
  21. 21.54 + 67 =
  22. 22.85 + 25 =
  23. 23.25 + 67 =
  24. 24.77 + 88 =
  25. 25.26 + 71 =
  26. 26.57 + 21 =
  27. 27.21 + 21 =
  28. 28.75 + 27 =
  29. 29.67 + 83 =
  30. 30.87 + 54 =
  31. 31.21 + 34 =
  32. 32.71 + 81 =
  33. 33.79 + 62 =
  34. 34.86 + 36 =
  35. 35.66 + 69 =
  36. 36.80 + 34 =
  37. 37.40 + 25 =
  38. 38.30 + 44 =
  39. 39.28 + 25 =
  40. 40.52 + 51 =

Answer key

  1. 65
  2. 101
  3. 50
  4. 88
  5. 89
  6. 105
  7. 85
  8. 56
  9. 99
  10. 98
  11. 71
  12. 95
  13. 64
  14. 76
  15. 117
  16. 107
  17. 117
  18. 129
  19. 58
  20. 124
  21. 121
  22. 110
  23. 92
  24. 165
  25. 97
  26. 78
  27. 42
  28. 102
  29. 150
  30. 141
  31. 55
  32. 152
  33. 141
  34. 122
  35. 135
  36. 114
  37. 65
  38. 74
  39. 53
  40. 103

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