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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 588 · 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 26396 =
  2. 2.Digital root of 27 × 12 =
  3. 3.Digital root of 53013 =
  4. 4.Digital root of 84414 =
  5. 5.Digital root of 37105 =
  6. 6.Digital root of 35 × 93 =
  7. 7.Digital root of 93 × 16 =
  8. 8.Digital root of 79 × 35 =
  9. 9.Digital root of 71147 =
  10. 10.Digital root of 38 × 33 =
  11. 11.Digital root of 14692 =
  12. 12.Digital root of 81387 =
  13. 13.Digital root of 29441 =
  14. 14.Digital root of 59530 =
  15. 15.Digital root of 63144 =
  16. 16.Digital root of 31405 =
  17. 17.Digital root of 26068 =
  18. 18.Digital root of 62695 =
  19. 19.Digital root of 84526 =
  20. 20.Digital root of 24 × 53 =
  21. 21.Digital root of 55 × 30 =
  22. 22.Digital root of 83009 =
  23. 23.Digital root of 46 × 80 =
  24. 24.Digital root of 21704 =
  25. 25.Digital root of 84148 =
  26. 26.Digital root of 44264 =
  27. 27.Digital root of 12 × 58 =
  28. 28.Digital root of 83491 =
  29. 29.Digital root of 67942 =
  30. 30.Digital root of 77 × 55 =
  31. 31.Digital root of 45393 =
  32. 32.Digital root of 45 × 58 =
  33. 33.Digital root of 6010 =
  34. 34.Digital root of 61745 =
  35. 35.Digital root of 32 × 39 =
  36. 36.Digital root of 52279 =
  37. 37.Digital root of 88827 =
  38. 38.Digital root of 37 × 48 =
  39. 39.Digital root of 90824 =
  40. 40.Digital root of 97167 =

Answer key

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

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