← 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 272 · 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. 1.61 + 31 =
  2. 2.85 + 45 =
  3. 3.75 + 44 =
  4. 4.23 + 81 =
  5. 5.65 + 61 =
  6. 6.36 + 69 =
  7. 7.87 + 42 =
  8. 8.65 + 49 =
  9. 9.53 + 56 =
  10. 10.58 + 45 =
  11. 11.59 + 75 =
  12. 12.54 + 37 =
  13. 13.62 + 56 =
  14. 14.84 + 78 =
  15. 15.65 + 28 =
  16. 16.86 + 21 =
  17. 17.51 + 41 =
  18. 18.89 + 36 =
  19. 19.35 + 74 =
  20. 20.40 + 12 =
  21. 21.41 + 57 =
  22. 22.75 + 55 =
  23. 23.83 + 22 =
  24. 24.29 + 31 =
  25. 25.62 + 27 =
  26. 26.72 + 28 =
  27. 27.48 + 37 =
  28. 28.25 + 72 =
  29. 29.21 + 43 =
  30. 30.85 + 23 =
  31. 31.47 + 61 =
  32. 32.27 + 63 =
  33. 33.65 + 41 =
  34. 34.68 + 71 =
  35. 35.34 + 25 =
  36. 36.32 + 43 =
  37. 37.39 + 88 =
  38. 38.46 + 36 =
  39. 39.44 + 77 =
  40. 40.54 + 48 =

Answer key

  1. 92
  2. 130
  3. 119
  4. 104
  5. 126
  6. 105
  7. 129
  8. 114
  9. 109
  10. 103
  11. 134
  12. 91
  13. 118
  14. 162
  15. 93
  16. 107
  17. 92
  18. 125
  19. 109
  20. 52
  21. 98
  22. 130
  23. 105
  24. 60
  25. 89
  26. 100
  27. 85
  28. 97
  29. 64
  30. 108
  31. 108
  32. 90
  33. 106
  34. 139
  35. 59
  36. 75
  37. 127
  38. 82
  39. 121
  40. 102

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