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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 373 · 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 64783 =
  2. 2.Digital root of 99718 =
  3. 3.Digital root of 42759 =
  4. 4.Digital root of 1804 =
  5. 5.Digital root of 32383 =
  6. 6.Digital root of 53405 =
  7. 7.Digital root of 70662 =
  8. 8.Digital root of 76313 =
  9. 9.Digital root of 43 × 48 =
  10. 10.Digital root of 14 × 42 =
  11. 11.Digital root of 9305 =
  12. 12.Digital root of 73 × 92 =
  13. 13.Digital root of 13 × 60 =
  14. 14.Digital root of 23 × 77 =
  15. 15.Digital root of 46154 =
  16. 16.Digital root of 53564 =
  17. 17.Digital root of 96 × 41 =
  18. 18.Digital root of 74 × 57 =
  19. 19.Digital root of 69355 =
  20. 20.Digital root of 49868 =
  21. 21.Digital root of 60 × 76 =
  22. 22.Digital root of 6616 =
  23. 23.Digital root of 97735 =
  24. 24.Digital root of 21513 =
  25. 25.Digital root of 88760 =
  26. 26.Digital root of 6870 =
  27. 27.Digital root of 13817 =
  28. 28.Digital root of 2930 =
  29. 29.Digital root of 65428 =
  30. 30.Digital root of 61 × 79 =
  31. 31.Digital root of 49111 =
  32. 32.Digital root of 96863 =
  33. 33.Digital root of 71 × 55 =
  34. 34.Digital root of 5267 =
  35. 35.Digital root of 72164 =
  36. 36.Digital root of 97 × 25 =
  37. 37.Digital root of 23295 =
  38. 38.Digital root of 78071 =
  39. 39.Digital root of 63176 =
  40. 40.Digital root of 28139 =

Answer key

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

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