← 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 781 · 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. 1.66 + 86 =
  2. 2.83 + 51 =
  3. 3.60 + 13 =
  4. 4.72 + 31 =
  5. 5.60 + 44 =
  6. 6.52 + 41 =
  7. 7.35 + 61 =
  8. 8.50 + 61 =
  9. 9.42 + 25 =
  10. 10.34 + 16 =
  11. 11.72 + 51 =
  12. 12.83 + 41 =
  13. 13.35 + 89 =
  14. 14.54 + 25 =
  15. 15.80 + 46 =
  16. 16.76 + 36 =
  17. 17.58 + 63 =
  18. 18.88 + 19 =
  19. 19.41 + 53 =
  20. 20.65 + 38 =
  21. 21.74 + 35 =
  22. 22.39 + 84 =
  23. 23.31 + 58 =
  24. 24.29 + 23 =
  25. 25.46 + 46 =
  26. 26.37 + 84 =
  27. 27.23 + 28 =
  28. 28.44 + 16 =
  29. 29.39 + 41 =
  30. 30.50 + 76 =
  31. 31.50 + 31 =
  32. 32.88 + 29 =
  33. 33.23 + 29 =
  34. 34.78 + 84 =
  35. 35.62 + 21 =
  36. 36.21 + 86 =
  37. 37.48 + 72 =
  38. 38.25 + 69 =
  39. 39.23 + 31 =
  40. 40.37 + 75 =

Answer key

  1. 152
  2. 134
  3. 73
  4. 103
  5. 104
  6. 93
  7. 96
  8. 111
  9. 67
  10. 50
  11. 123
  12. 124
  13. 124
  14. 79
  15. 126
  16. 112
  17. 121
  18. 107
  19. 94
  20. 103
  21. 109
  22. 123
  23. 89
  24. 52
  25. 92
  26. 121
  27. 51
  28. 60
  29. 80
  30. 126
  31. 81
  32. 117
  33. 52
  34. 162
  35. 83
  36. 107
  37. 120
  38. 94
  39. 54
  40. 112

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