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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 290 · 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 94849 =
  2. 2.Digital root of 37 × 95 =
  3. 3.Digital root of 24 × 22 =
  4. 4.Digital root of 2118 =
  5. 5.Digital root of 89 × 67 =
  6. 6.Digital root of 6043 =
  7. 7.Digital root of 46503 =
  8. 8.Digital root of 19 × 29 =
  9. 9.Digital root of 28826 =
  10. 10.Digital root of 59238 =
  11. 11.Digital root of 82 × 71 =
  12. 12.Digital root of 13 × 50 =
  13. 13.Digital root of 77550 =
  14. 14.Digital root of 86 × 70 =
  15. 15.Digital root of 40 × 68 =
  16. 16.Digital root of 50386 =
  17. 17.Digital root of 31953 =
  18. 18.Digital root of 93792 =
  19. 19.Digital root of 29693 =
  20. 20.Digital root of 21775 =
  21. 21.Digital root of 62150 =
  22. 22.Digital root of 87 × 61 =
  23. 23.Digital root of 65 × 16 =
  24. 24.Digital root of 63134 =
  25. 25.Digital root of 94832 =
  26. 26.Digital root of 84357 =
  27. 27.Digital root of 12857 =
  28. 28.Digital root of 22 × 60 =
  29. 29.Digital root of 41 × 66 =
  30. 30.Digital root of 89 × 32 =
  31. 31.Digital root of 37127 =
  32. 32.Digital root of 53618 =
  33. 33.Digital root of 75007 =
  34. 34.Digital root of 7560 =
  35. 35.Digital root of 32 × 59 =
  36. 36.Digital root of 21 × 64 =
  37. 37.Digital root of 93542 =
  38. 38.Digital root of 79629 =
  39. 39.Digital root of 76710 =
  40. 40.Digital root of 44901 =

Answer key

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

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