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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 501 · 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 60125 =
  2. 2.Digital root of 68819 =
  3. 3.Digital root of 79880 =
  4. 4.Digital root of 35629 =
  5. 5.Digital root of 53431 =
  6. 6.Digital root of 85333 =
  7. 7.Digital root of 39683 =
  8. 8.Digital root of 90840 =
  9. 9.Digital root of 95890 =
  10. 10.Digital root of 19649 =
  11. 11.Digital root of 81369 =
  12. 12.Digital root of 5574 =
  13. 13.Digital root of 32 × 73 =
  14. 14.Digital root of 66521 =
  15. 15.Digital root of 18 × 17 =
  16. 16.Digital root of 29 × 15 =
  17. 17.Digital root of 84 × 70 =
  18. 18.Digital root of 85 × 66 =
  19. 19.Digital root of 84 × 23 =
  20. 20.Digital root of 27404 =
  21. 21.Digital root of 28 × 92 =
  22. 22.Digital root of 82 × 21 =
  23. 23.Digital root of 90861 =
  24. 24.Digital root of 25 × 29 =
  25. 25.Digital root of 44 × 92 =
  26. 26.Digital root of 69 × 26 =
  27. 27.Digital root of 86 × 53 =
  28. 28.Digital root of 79 × 78 =
  29. 29.Digital root of 53017 =
  30. 30.Digital root of 97 × 20 =
  31. 31.Digital root of 57 × 25 =
  32. 32.Digital root of 35 × 43 =
  33. 33.Digital root of 29 × 29 =
  34. 34.Digital root of 37005 =
  35. 35.Digital root of 89 × 48 =
  36. 36.Digital root of 32 × 81 =
  37. 37.Digital root of 30590 =
  38. 38.Digital root of 7698 =
  39. 39.Digital root of 42 × 90 =
  40. 40.Digital root of 96 × 45 =

Answer key

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

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