← 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 559 · 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. 1.68 + 86 =
  2. 2.34 + 42 =
  3. 3.34 + 55 =
  4. 4.49 + 53 =
  5. 5.74 + 88 =
  6. 6.62 + 33 =
  7. 7.51 + 51 =
  8. 8.44 + 72 =
  9. 9.22 + 54 =
  10. 10.65 + 33 =
  11. 11.58 + 22 =
  12. 12.46 + 63 =
  13. 13.82 + 87 =
  14. 14.78 + 17 =
  15. 15.32 + 17 =
  16. 16.29 + 43 =
  17. 17.38 + 19 =
  18. 18.76 + 86 =
  19. 19.73 + 37 =
  20. 20.24 + 72 =
  21. 21.62 + 29 =
  22. 22.30 + 77 =
  23. 23.75 + 48 =
  24. 24.51 + 81 =
  25. 25.50 + 69 =
  26. 26.67 + 83 =
  27. 27.49 + 39 =
  28. 28.30 + 13 =
  29. 29.76 + 13 =
  30. 30.22 + 36 =
  31. 31.79 + 62 =
  32. 32.37 + 48 =
  33. 33.39 + 14 =
  34. 34.78 + 68 =
  35. 35.71 + 77 =
  36. 36.30 + 15 =
  37. 37.42 + 17 =
  38. 38.83 + 75 =
  39. 39.22 + 23 =
  40. 40.71 + 21 =

Answer key

  1. 154
  2. 76
  3. 89
  4. 102
  5. 162
  6. 95
  7. 102
  8. 116
  9. 76
  10. 98
  11. 80
  12. 109
  13. 169
  14. 95
  15. 49
  16. 72
  17. 57
  18. 162
  19. 110
  20. 96
  21. 91
  22. 107
  23. 123
  24. 132
  25. 119
  26. 150
  27. 88
  28. 43
  29. 89
  30. 58
  31. 141
  32. 85
  33. 53
  34. 146
  35. 148
  36. 45
  37. 59
  38. 158
  39. 45
  40. 92

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