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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 58 · 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 95595 =
  2. 2.Digital root of 55318 =
  3. 3.Digital root of 32 × 86 =
  4. 4.Digital root of 63546 =
  5. 5.Digital root of 76 × 45 =
  6. 6.Digital root of 98844 =
  7. 7.Digital root of 7378 =
  8. 8.Digital root of 97 × 14 =
  9. 9.Digital root of 34 × 96 =
  10. 10.Digital root of 16 × 56 =
  11. 11.Digital root of 23 × 62 =
  12. 12.Digital root of 174 =
  13. 13.Digital root of 5358 =
  14. 14.Digital root of 35166 =
  15. 15.Digital root of 62 × 40 =
  16. 16.Digital root of 63071 =
  17. 17.Digital root of 73 × 15 =
  18. 18.Digital root of 51809 =
  19. 19.Digital root of 45483 =
  20. 20.Digital root of 26 × 66 =
  21. 21.Digital root of 33 × 79 =
  22. 22.Digital root of 49380 =
  23. 23.Digital root of 79 × 33 =
  24. 24.Digital root of 39 × 45 =
  25. 25.Digital root of 32 × 24 =
  26. 26.Digital root of 99 × 82 =
  27. 27.Digital root of 60 × 67 =
  28. 28.Digital root of 92072 =
  29. 29.Digital root of 37058 =
  30. 30.Digital root of 21801 =
  31. 31.Digital root of 58831 =
  32. 32.Digital root of 33709 =
  33. 33.Digital root of 79 × 98 =
  34. 34.Digital root of 47021 =
  35. 35.Digital root of 20152 =
  36. 36.Digital root of 81867 =
  37. 37.Digital root of 29 × 12 =
  38. 38.Digital root of 62459 =
  39. 39.Digital root of 9115 =
  40. 40.Digital root of 86 × 77 =

Answer key

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

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