← 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 484 · 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. 1.78 + 54 =
  2. 2.43 + 14 =
  3. 3.89 + 81 =
  4. 4.40 + 81 =
  5. 5.46 + 22 =
  6. 6.42 + 29 =
  7. 7.64 + 17 =
  8. 8.40 + 71 =
  9. 9.54 + 35 =
  10. 10.77 + 74 =
  11. 11.23 + 74 =
  12. 12.25 + 56 =
  13. 13.45 + 71 =
  14. 14.74 + 32 =
  15. 15.80 + 54 =
  16. 16.89 + 29 =
  17. 17.53 + 53 =
  18. 18.24 + 36 =
  19. 19.71 + 67 =
  20. 20.49 + 17 =
  21. 21.59 + 76 =
  22. 22.67 + 81 =
  23. 23.51 + 55 =
  24. 24.53 + 21 =
  25. 25.25 + 21 =
  26. 26.40 + 27 =
  27. 27.35 + 61 =
  28. 28.28 + 64 =
  29. 29.36 + 85 =
  30. 30.65 + 47 =
  31. 31.75 + 28 =
  32. 32.47 + 27 =
  33. 33.58 + 43 =
  34. 34.46 + 16 =
  35. 35.55 + 44 =
  36. 36.34 + 63 =
  37. 37.29 + 63 =
  38. 38.68 + 72 =
  39. 39.85 + 26 =
  40. 40.37 + 58 =

Answer key

  1. 132
  2. 57
  3. 170
  4. 121
  5. 68
  6. 71
  7. 81
  8. 111
  9. 89
  10. 151
  11. 97
  12. 81
  13. 116
  14. 106
  15. 134
  16. 118
  17. 106
  18. 60
  19. 138
  20. 66
  21. 135
  22. 148
  23. 106
  24. 74
  25. 46
  26. 67
  27. 96
  28. 92
  29. 121
  30. 112
  31. 103
  32. 74
  33. 101
  34. 62
  35. 99
  36. 97
  37. 92
  38. 140
  39. 111
  40. 95

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