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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 122 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 96438 =
  2. 2.Digital root of 74420 =
  3. 3.Digital root of 35422 =
  4. 4.Digital root of 34 × 70 =
  5. 5.Digital root of 44 × 50 =
  6. 6.Digital root of 97 × 31 =
  7. 7.Digital root of 25 × 83 =
  8. 8.Digital root of 91 × 59 =
  9. 9.Digital root of 30 × 48 =
  10. 10.Digital root of 12 × 78 =
  11. 11.Digital root of 80469 =
  12. 12.Digital root of 32348 =
  13. 13.Digital root of 41 × 68 =
  14. 14.Digital root of 71917 =
  15. 15.Digital root of 99264 =
  16. 16.Digital root of 59164 =
  17. 17.Digital root of 91 × 82 =
  18. 18.Digital root of 92713 =
  19. 19.Digital root of 4012 =
  20. 20.Digital root of 69432 =
  21. 21.Digital root of 46 × 28 =
  22. 22.Digital root of 59761 =
  23. 23.Digital root of 10662 =
  24. 24.Digital root of 75838 =
  25. 25.Digital root of 77 × 47 =
  26. 26.Digital root of 50928 =
  27. 27.Digital root of 88412 =
  28. 28.Digital root of 10997 =
  29. 29.Digital root of 14 × 94 =
  30. 30.Digital root of 31895 =
  31. 31.Digital root of 19884 =
  32. 32.Digital root of 52034 =
  33. 33.Digital root of 36 × 19 =
  34. 34.Digital root of 52 × 17 =
  35. 35.Digital root of 29019 =
  36. 36.Digital root of 59346 =
  37. 37.Digital root of 44 × 81 =
  38. 38.Digital root of 41 × 39 =
  39. 39.Digital root of 21450 =
  40. 40.Digital root of 26164 =

Answer key

  1. 3
  2. 8
  3. 7
  4. 4
  5. 4
  6. 1
  7. 5
  8. 5
  9. 9
  10. 9
  11. 9
  12. 2
  13. 7
  14. 7
  15. 3
  16. 7
  17. 1
  18. 4
  19. 7
  20. 6
  21. 1
  22. 1
  23. 6
  24. 4
  25. 1
  26. 6
  27. 5
  28. 8
  29. 2
  30. 8
  31. 3
  32. 5
  33. 9
  34. 2
  35. 3
  36. 9
  37. 9
  38. 6
  39. 3
  40. 1

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