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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 563 · 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 46911 =
  2. 2.Digital root of 43559 =
  3. 3.Digital root of 31 × 77 =
  4. 4.Digital root of 10393 =
  5. 5.Digital root of 61 × 97 =
  6. 6.Digital root of 76746 =
  7. 7.Digital root of 69409 =
  8. 8.Digital root of 1089 =
  9. 9.Digital root of 12 × 26 =
  10. 10.Digital root of 19991 =
  11. 11.Digital root of 9624 =
  12. 12.Digital root of 7556 =
  13. 13.Digital root of 64566 =
  14. 14.Digital root of 74332 =
  15. 15.Digital root of 1002 =
  16. 16.Digital root of 74425 =
  17. 17.Digital root of 47 × 44 =
  18. 18.Digital root of 22640 =
  19. 19.Digital root of 98045 =
  20. 20.Digital root of 71 × 42 =
  21. 21.Digital root of 27 × 76 =
  22. 22.Digital root of 59356 =
  23. 23.Digital root of 39 × 99 =
  24. 24.Digital root of 19 × 42 =
  25. 25.Digital root of 13831 =
  26. 26.Digital root of 85949 =
  27. 27.Digital root of 71022 =
  28. 28.Digital root of 79050 =
  29. 29.Digital root of 66 × 83 =
  30. 30.Digital root of 67 × 28 =
  31. 31.Digital root of 80573 =
  32. 32.Digital root of 57 × 12 =
  33. 33.Digital root of 38 × 69 =
  34. 34.Digital root of 76 × 98 =
  35. 35.Digital root of 1099 =
  36. 36.Digital root of 16 × 17 =
  37. 37.Digital root of 13572 =
  38. 38.Digital root of 37790 =
  39. 39.Digital root of 42161 =
  40. 40.Digital root of 37544 =

Answer key

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

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