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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 23 · 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 34129 =
  2. 2.Digital root of 46394 =
  3. 3.Digital root of 67482 =
  4. 4.Digital root of 57616 =
  5. 5.Digital root of 67121 =
  6. 6.Digital root of 13282 =
  7. 7.Digital root of 73678 =
  8. 8.Digital root of 83 × 20 =
  9. 9.Digital root of 79660 =
  10. 10.Digital root of 82391 =
  11. 11.Digital root of 72028 =
  12. 12.Digital root of 77442 =
  13. 13.Digital root of 71303 =
  14. 14.Digital root of 68906 =
  15. 15.Digital root of 68 × 21 =
  16. 16.Digital root of 45779 =
  17. 17.Digital root of 54 × 43 =
  18. 18.Digital root of 13 × 60 =
  19. 19.Digital root of 36 × 44 =
  20. 20.Digital root of 48076 =
  21. 21.Digital root of 57740 =
  22. 22.Digital root of 18789 =
  23. 23.Digital root of 8230 =
  24. 24.Digital root of 88582 =
  25. 25.Digital root of 20418 =
  26. 26.Digital root of 28704 =
  27. 27.Digital root of 94463 =
  28. 28.Digital root of 44244 =
  29. 29.Digital root of 58 × 31 =
  30. 30.Digital root of 9863 =
  31. 31.Digital root of 69 × 77 =
  32. 32.Digital root of 79673 =
  33. 33.Digital root of 53 × 17 =
  34. 34.Digital root of 60487 =
  35. 35.Digital root of 61693 =
  36. 36.Digital root of 86438 =
  37. 37.Digital root of 69474 =
  38. 38.Digital root of 14921 =
  39. 39.Digital root of 16338 =
  40. 40.Digital root of 2585 =

Answer key

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

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