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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 996 · 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 82896 =
  2. 2.Digital root of 2079 =
  3. 3.Digital root of 6186 =
  4. 4.Digital root of 45 × 40 =
  5. 5.Digital root of 1146 =
  6. 6.Digital root of 35257 =
  7. 7.Digital root of 24399 =
  8. 8.Digital root of 77 × 45 =
  9. 9.Digital root of 25 × 53 =
  10. 10.Digital root of 13 × 26 =
  11. 11.Digital root of 44 × 52 =
  12. 12.Digital root of 8675 =
  13. 13.Digital root of 72105 =
  14. 14.Digital root of 25 × 60 =
  15. 15.Digital root of 66929 =
  16. 16.Digital root of 64136 =
  17. 17.Digital root of 22932 =
  18. 18.Digital root of 92045 =
  19. 19.Digital root of 34 × 73 =
  20. 20.Digital root of 10230 =
  21. 21.Digital root of 83701 =
  22. 22.Digital root of 56622 =
  23. 23.Digital root of 63 × 67 =
  24. 24.Digital root of 45 × 71 =
  25. 25.Digital root of 39770 =
  26. 26.Digital root of 36 × 40 =
  27. 27.Digital root of 72683 =
  28. 28.Digital root of 88907 =
  29. 29.Digital root of 82 × 51 =
  30. 30.Digital root of 77 × 82 =
  31. 31.Digital root of 74 × 27 =
  32. 32.Digital root of 94 × 64 =
  33. 33.Digital root of 38149 =
  34. 34.Digital root of 72 × 12 =
  35. 35.Digital root of 63971 =
  36. 36.Digital root of 67 × 96 =
  37. 37.Digital root of 80795 =
  38. 38.Digital root of 34212 =
  39. 39.Digital root of 7029 =
  40. 40.Digital root of 49 × 94 =

Answer key

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

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