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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 346 · 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 63684 =
  2. 2.Digital root of 28833 =
  3. 3.Digital root of 67692 =
  4. 4.Digital root of 85 × 14 =
  5. 5.Digital root of 12932 =
  6. 6.Digital root of 14092 =
  7. 7.Digital root of 17621 =
  8. 8.Digital root of 14871 =
  9. 9.Digital root of 83 × 76 =
  10. 10.Digital root of 80 × 90 =
  11. 11.Digital root of 30195 =
  12. 12.Digital root of 60 × 96 =
  13. 13.Digital root of 87266 =
  14. 14.Digital root of 45 × 79 =
  15. 15.Digital root of 46 × 39 =
  16. 16.Digital root of 42410 =
  17. 17.Digital root of 41578 =
  18. 18.Digital root of 71130 =
  19. 19.Digital root of 58305 =
  20. 20.Digital root of 56170 =
  21. 21.Digital root of 14689 =
  22. 22.Digital root of 96 × 25 =
  23. 23.Digital root of 9151 =
  24. 24.Digital root of 50609 =
  25. 25.Digital root of 71 × 30 =
  26. 26.Digital root of 59 × 17 =
  27. 27.Digital root of 24851 =
  28. 28.Digital root of 29249 =
  29. 29.Digital root of 48 × 74 =
  30. 30.Digital root of 54 × 84 =
  31. 31.Digital root of 22370 =
  32. 32.Digital root of 44 × 84 =
  33. 33.Digital root of 43069 =
  34. 34.Digital root of 85 × 47 =
  35. 35.Digital root of 37236 =
  36. 36.Digital root of 80 × 72 =
  37. 37.Digital root of 78 × 27 =
  38. 38.Digital root of 18899 =
  39. 39.Digital root of 27 × 21 =
  40. 40.Digital root of 93031 =

Answer key

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

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