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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 255 · 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 58122 =
  2. 2.Digital root of 46909 =
  3. 3.Digital root of 80 × 18 =
  4. 4.Digital root of 94 × 59 =
  5. 5.Digital root of 22 × 83 =
  6. 6.Digital root of 60186 =
  7. 7.Digital root of 43 × 85 =
  8. 8.Digital root of 33377 =
  9. 9.Digital root of 1104 =
  10. 10.Digital root of 93631 =
  11. 11.Digital root of 48232 =
  12. 12.Digital root of 19586 =
  13. 13.Digital root of 53129 =
  14. 14.Digital root of 15 × 32 =
  15. 15.Digital root of 94 × 20 =
  16. 16.Digital root of 58 × 86 =
  17. 17.Digital root of 46 × 70 =
  18. 18.Digital root of 85666 =
  19. 19.Digital root of 24 × 97 =
  20. 20.Digital root of 48655 =
  21. 21.Digital root of 93425 =
  22. 22.Digital root of 6291 =
  23. 23.Digital root of 52 × 46 =
  24. 24.Digital root of 49074 =
  25. 25.Digital root of 68404 =
  26. 26.Digital root of 38984 =
  27. 27.Digital root of 94 × 28 =
  28. 28.Digital root of 5273 =
  29. 29.Digital root of 43 × 16 =
  30. 30.Digital root of 47111 =
  31. 31.Digital root of 79646 =
  32. 32.Digital root of 90289 =
  33. 33.Digital root of 62810 =
  34. 34.Digital root of 71797 =
  35. 35.Digital root of 13993 =
  36. 36.Digital root of 30 × 45 =
  37. 37.Digital root of 76 × 35 =
  38. 38.Digital root of 76 × 96 =
  39. 39.Digital root of 4479 =
  40. 40.Digital root of 70651 =

Answer key

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

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