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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 864 · 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 46697 =
  2. 2.Digital root of 48259 =
  3. 3.Digital root of 687 =
  4. 4.Digital root of 44135 =
  5. 5.Digital root of 46385 =
  6. 6.Digital root of 46160 =
  7. 7.Digital root of 49 × 82 =
  8. 8.Digital root of 71 × 94 =
  9. 9.Digital root of 3859 =
  10. 10.Digital root of 52 × 38 =
  11. 11.Digital root of 3724 =
  12. 12.Digital root of 566 =
  13. 13.Digital root of 65912 =
  14. 14.Digital root of 15525 =
  15. 15.Digital root of 69084 =
  16. 16.Digital root of 43 × 82 =
  17. 17.Digital root of 24863 =
  18. 18.Digital root of 50 × 27 =
  19. 19.Digital root of 87891 =
  20. 20.Digital root of 81944 =
  21. 21.Digital root of 33355 =
  22. 22.Digital root of 1637 =
  23. 23.Digital root of 85 × 27 =
  24. 24.Digital root of 18 × 90 =
  25. 25.Digital root of 26 × 50 =
  26. 26.Digital root of 73 × 72 =
  27. 27.Digital root of 60949 =
  28. 28.Digital root of 93 × 41 =
  29. 29.Digital root of 12 × 63 =
  30. 30.Digital root of 36772 =
  31. 31.Digital root of 92572 =
  32. 32.Digital root of 67051 =
  33. 33.Digital root of 62 × 49 =
  34. 34.Digital root of 80 × 54 =
  35. 35.Digital root of 10755 =
  36. 36.Digital root of 77 × 69 =
  37. 37.Digital root of 16 × 17 =
  38. 38.Digital root of 87009 =
  39. 39.Digital root of 5863 =
  40. 40.Digital root of 10018 =

Answer key

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

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