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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 960 · 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 89985 =
  2. 2.Digital root of 95521 =
  3. 3.Digital root of 69 × 33 =
  4. 4.Digital root of 32726 =
  5. 5.Digital root of 44000 =
  6. 6.Digital root of 26065 =
  7. 7.Digital root of 51 × 55 =
  8. 8.Digital root of 67522 =
  9. 9.Digital root of 99429 =
  10. 10.Digital root of 58888 =
  11. 11.Digital root of 16809 =
  12. 12.Digital root of 80704 =
  13. 13.Digital root of 44971 =
  14. 14.Digital root of 66452 =
  15. 15.Digital root of 48521 =
  16. 16.Digital root of 47 × 16 =
  17. 17.Digital root of 20 × 51 =
  18. 18.Digital root of 47 × 14 =
  19. 19.Digital root of 71627 =
  20. 20.Digital root of 40 × 43 =
  21. 21.Digital root of 84145 =
  22. 22.Digital root of 13 × 84 =
  23. 23.Digital root of 475 =
  24. 24.Digital root of 99197 =
  25. 25.Digital root of 23613 =
  26. 26.Digital root of 31102 =
  27. 27.Digital root of 50435 =
  28. 28.Digital root of 11022 =
  29. 29.Digital root of 1585 =
  30. 30.Digital root of 11387 =
  31. 31.Digital root of 54599 =
  32. 32.Digital root of 2426 =
  33. 33.Digital root of 82573 =
  34. 34.Digital root of 46147 =
  35. 35.Digital root of 18279 =
  36. 36.Digital root of 19232 =
  37. 37.Digital root of 84 × 15 =
  38. 38.Digital root of 93370 =
  39. 39.Digital root of 47420 =
  40. 40.Digital root of 94937 =

Answer key

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

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