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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 228 · 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 34 × 31 =
  2. 2.Digital root of 87 × 57 =
  3. 3.Digital root of 19905 =
  4. 4.Digital root of 82358 =
  5. 5.Digital root of 23869 =
  6. 6.Digital root of 10437 =
  7. 7.Digital root of 93396 =
  8. 8.Digital root of 43082 =
  9. 9.Digital root of 70138 =
  10. 10.Digital root of 18 × 91 =
  11. 11.Digital root of 13 × 15 =
  12. 12.Digital root of 95591 =
  13. 13.Digital root of 44 × 68 =
  14. 14.Digital root of 46951 =
  15. 15.Digital root of 49540 =
  16. 16.Digital root of 6407 =
  17. 17.Digital root of 44569 =
  18. 18.Digital root of 80015 =
  19. 19.Digital root of 64492 =
  20. 20.Digital root of 14 × 49 =
  21. 21.Digital root of 53646 =
  22. 22.Digital root of 12 × 33 =
  23. 23.Digital root of 88 × 39 =
  24. 24.Digital root of 30 × 87 =
  25. 25.Digital root of 37 × 43 =
  26. 26.Digital root of 42 × 12 =
  27. 27.Digital root of 55 × 17 =
  28. 28.Digital root of 15629 =
  29. 29.Digital root of 37981 =
  30. 30.Digital root of 78946 =
  31. 31.Digital root of 39 × 17 =
  32. 32.Digital root of 39 × 53 =
  33. 33.Digital root of 28991 =
  34. 34.Digital root of 56076 =
  35. 35.Digital root of 48703 =
  36. 36.Digital root of 83205 =
  37. 37.Digital root of 50 × 77 =
  38. 38.Digital root of 35810 =
  39. 39.Digital root of 76650 =
  40. 40.Digital root of 82 × 86 =

Answer key

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

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