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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 392 · 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 25481 =
  2. 2.Digital root of 42472 =
  3. 3.Digital root of 2364 =
  4. 4.Digital root of 46 × 66 =
  5. 5.Digital root of 92395 =
  6. 6.Digital root of 90 × 53 =
  7. 7.Digital root of 43 × 15 =
  8. 8.Digital root of 21954 =
  9. 9.Digital root of 61554 =
  10. 10.Digital root of 38763 =
  11. 11.Digital root of 37812 =
  12. 12.Digital root of 17565 =
  13. 13.Digital root of 80 × 70 =
  14. 14.Digital root of 92660 =
  15. 15.Digital root of 56995 =
  16. 16.Digital root of 26703 =
  17. 17.Digital root of 95596 =
  18. 18.Digital root of 91737 =
  19. 19.Digital root of 21016 =
  20. 20.Digital root of 59 × 32 =
  21. 21.Digital root of 51 × 40 =
  22. 22.Digital root of 82 × 70 =
  23. 23.Digital root of 76073 =
  24. 24.Digital root of 43717 =
  25. 25.Digital root of 19305 =
  26. 26.Digital root of 79 × 34 =
  27. 27.Digital root of 50378 =
  28. 28.Digital root of 53282 =
  29. 29.Digital root of 1636 =
  30. 30.Digital root of 19 × 92 =
  31. 31.Digital root of 48 × 55 =
  32. 32.Digital root of 53057 =
  33. 33.Digital root of 46563 =
  34. 34.Digital root of 7140 =
  35. 35.Digital root of 13950 =
  36. 36.Digital root of 14 × 40 =
  37. 37.Digital root of 22 × 94 =
  38. 38.Digital root of 45764 =
  39. 39.Digital root of 83632 =
  40. 40.Digital root of 93675 =

Answer key

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

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