← 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 796 · 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. 1.65 + 52 =
  2. 2.79 + 37 =
  3. 3.45 + 36 =
  4. 4.71 + 13 =
  5. 5.36 + 64 =
  6. 6.55 + 44 =
  7. 7.78 + 31 =
  8. 8.42 + 81 =
  9. 9.58 + 28 =
  10. 10.63 + 51 =
  11. 11.68 + 36 =
  12. 12.58 + 86 =
  13. 13.78 + 34 =
  14. 14.50 + 63 =
  15. 15.79 + 45 =
  16. 16.60 + 36 =
  17. 17.37 + 61 =
  18. 18.21 + 17 =
  19. 19.82 + 67 =
  20. 20.35 + 86 =
  21. 21.46 + 31 =
  22. 22.51 + 81 =
  23. 23.74 + 14 =
  24. 24.40 + 41 =
  25. 25.67 + 39 =
  26. 26.63 + 62 =
  27. 27.54 + 38 =
  28. 28.72 + 55 =
  29. 29.44 + 84 =
  30. 30.32 + 38 =
  31. 31.85 + 55 =
  32. 32.58 + 31 =
  33. 33.40 + 78 =
  34. 34.35 + 41 =
  35. 35.69 + 41 =
  36. 36.36 + 51 =
  37. 37.52 + 64 =
  38. 38.22 + 88 =
  39. 39.24 + 16 =
  40. 40.84 + 67 =

Answer key

  1. 117
  2. 116
  3. 81
  4. 84
  5. 100
  6. 99
  7. 109
  8. 123
  9. 86
  10. 114
  11. 104
  12. 144
  13. 112
  14. 113
  15. 124
  16. 96
  17. 98
  18. 38
  19. 149
  20. 121
  21. 77
  22. 132
  23. 88
  24. 81
  25. 106
  26. 125
  27. 92
  28. 127
  29. 128
  30. 70
  31. 140
  32. 89
  33. 118
  34. 76
  35. 110
  36. 87
  37. 116
  38. 110
  39. 40
  40. 151

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