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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 755 · 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 48873 =
  2. 2.Digital root of 7415 =
  3. 3.Digital root of 13746 =
  4. 4.Digital root of 76 × 95 =
  5. 5.Digital root of 19016 =
  6. 6.Digital root of 18 × 40 =
  7. 7.Digital root of 26142 =
  8. 8.Digital root of 31924 =
  9. 9.Digital root of 47389 =
  10. 10.Digital root of 59 × 67 =
  11. 11.Digital root of 25 × 27 =
  12. 12.Digital root of 51 × 61 =
  13. 13.Digital root of 8690 =
  14. 14.Digital root of 29 × 59 =
  15. 15.Digital root of 6992 =
  16. 16.Digital root of 57557 =
  17. 17.Digital root of 27962 =
  18. 18.Digital root of 31966 =
  19. 19.Digital root of 66674 =
  20. 20.Digital root of 92 × 32 =
  21. 21.Digital root of 14889 =
  22. 22.Digital root of 98976 =
  23. 23.Digital root of 79799 =
  24. 24.Digital root of 58 × 14 =
  25. 25.Digital root of 70 × 73 =
  26. 26.Digital root of 43 × 58 =
  27. 27.Digital root of 21882 =
  28. 28.Digital root of 12187 =
  29. 29.Digital root of 58 × 16 =
  30. 30.Digital root of 32 × 35 =
  31. 31.Digital root of 31027 =
  32. 32.Digital root of 22 × 91 =
  33. 33.Digital root of 86704 =
  34. 34.Digital root of 50834 =
  35. 35.Digital root of 79591 =
  36. 36.Digital root of 25281 =
  37. 37.Digital root of 46 × 41 =
  38. 38.Digital root of 87811 =
  39. 39.Digital root of 75 × 43 =
  40. 40.Digital root of 54299 =

Answer key

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

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