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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 769 · 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 56271 =
  2. 2.Digital root of 94 × 17 =
  3. 3.Digital root of 95276 =
  4. 4.Digital root of 88539 =
  5. 5.Digital root of 49 × 87 =
  6. 6.Digital root of 75321 =
  7. 7.Digital root of 35126 =
  8. 8.Digital root of 88 × 91 =
  9. 9.Digital root of 85 × 37 =
  10. 10.Digital root of 60 × 35 =
  11. 11.Digital root of 85723 =
  12. 12.Digital root of 12160 =
  13. 13.Digital root of 88 × 69 =
  14. 14.Digital root of 27599 =
  15. 15.Digital root of 96521 =
  16. 16.Digital root of 91 × 37 =
  17. 17.Digital root of 70 × 18 =
  18. 18.Digital root of 40048 =
  19. 19.Digital root of 10780 =
  20. 20.Digital root of 76 × 35 =
  21. 21.Digital root of 72 × 25 =
  22. 22.Digital root of 65 × 25 =
  23. 23.Digital root of 24 × 14 =
  24. 24.Digital root of 40650 =
  25. 25.Digital root of 70587 =
  26. 26.Digital root of 89663 =
  27. 27.Digital root of 70 × 31 =
  28. 28.Digital root of 15 × 72 =
  29. 29.Digital root of 1670 =
  30. 30.Digital root of 54406 =
  31. 31.Digital root of 31 × 48 =
  32. 32.Digital root of 52159 =
  33. 33.Digital root of 14 × 16 =
  34. 34.Digital root of 84035 =
  35. 35.Digital root of 5032 =
  36. 36.Digital root of 87926 =
  37. 37.Digital root of 27911 =
  38. 38.Digital root of 53 × 68 =
  39. 39.Digital root of 77067 =
  40. 40.Digital root of 68069 =

Answer key

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

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