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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 478 · 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 94228 =
  2. 2.Digital root of 14 × 34 =
  3. 3.Digital root of 44964 =
  4. 4.Digital root of 71963 =
  5. 5.Digital root of 23 × 96 =
  6. 6.Digital root of 92061 =
  7. 7.Digital root of 53 × 78 =
  8. 8.Digital root of 3546 =
  9. 9.Digital root of 22 × 78 =
  10. 10.Digital root of 30 × 66 =
  11. 11.Digital root of 34 × 12 =
  12. 12.Digital root of 54779 =
  13. 13.Digital root of 56768 =
  14. 14.Digital root of 28 × 67 =
  15. 15.Digital root of 73590 =
  16. 16.Digital root of 14 × 24 =
  17. 17.Digital root of 59 × 56 =
  18. 18.Digital root of 59 × 97 =
  19. 19.Digital root of 73949 =
  20. 20.Digital root of 70 × 71 =
  21. 21.Digital root of 70506 =
  22. 22.Digital root of 81828 =
  23. 23.Digital root of 64758 =
  24. 24.Digital root of 82281 =
  25. 25.Digital root of 80005 =
  26. 26.Digital root of 27118 =
  27. 27.Digital root of 14 × 95 =
  28. 28.Digital root of 95469 =
  29. 29.Digital root of 51959 =
  30. 30.Digital root of 85522 =
  31. 31.Digital root of 36985 =
  32. 32.Digital root of 37683 =
  33. 33.Digital root of 26527 =
  34. 34.Digital root of 69 × 29 =
  35. 35.Digital root of 56499 =
  36. 36.Digital root of 89885 =
  37. 37.Digital root of 54154 =
  38. 38.Digital root of 70 × 84 =
  39. 39.Digital root of 19390 =
  40. 40.Digital root of 75 × 21 =

Answer key

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

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