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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 846 · 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 7673 =
  2. 2.Digital root of 818 =
  3. 3.Digital root of 13613 =
  4. 4.Digital root of 15830 =
  5. 5.Digital root of 43411 =
  6. 6.Digital root of 88487 =
  7. 7.Digital root of 85 × 14 =
  8. 8.Digital root of 53337 =
  9. 9.Digital root of 14363 =
  10. 10.Digital root of 56280 =
  11. 11.Digital root of 37 × 26 =
  12. 12.Digital root of 53 × 82 =
  13. 13.Digital root of 74061 =
  14. 14.Digital root of 98925 =
  15. 15.Digital root of 31 × 78 =
  16. 16.Digital root of 26 × 93 =
  17. 17.Digital root of 32804 =
  18. 18.Digital root of 52 × 48 =
  19. 19.Digital root of 74 × 44 =
  20. 20.Digital root of 87 × 95 =
  21. 21.Digital root of 54332 =
  22. 22.Digital root of 51672 =
  23. 23.Digital root of 13042 =
  24. 24.Digital root of 54 × 45 =
  25. 25.Digital root of 16 × 61 =
  26. 26.Digital root of 31547 =
  27. 27.Digital root of 12910 =
  28. 28.Digital root of 34244 =
  29. 29.Digital root of 4548 =
  30. 30.Digital root of 37 × 28 =
  31. 31.Digital root of 81820 =
  32. 32.Digital root of 76 × 68 =
  33. 33.Digital root of 13654 =
  34. 34.Digital root of 81829 =
  35. 35.Digital root of 23601 =
  36. 36.Digital root of 60611 =
  37. 37.Digital root of 4305 =
  38. 38.Digital root of 37772 =
  39. 39.Digital root of 35877 =
  40. 40.Digital root of 57783 =

Answer key

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

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