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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 786 · 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 79083 =
  2. 2.Digital root of 50868 =
  3. 3.Digital root of 1393 =
  4. 4.Digital root of 49 × 16 =
  5. 5.Digital root of 27794 =
  6. 6.Digital root of 88 × 24 =
  7. 7.Digital root of 84 × 15 =
  8. 8.Digital root of 21260 =
  9. 9.Digital root of 92 × 73 =
  10. 10.Digital root of 18 × 22 =
  11. 11.Digital root of 63 × 21 =
  12. 12.Digital root of 92 × 51 =
  13. 13.Digital root of 12096 =
  14. 14.Digital root of 6578 =
  15. 15.Digital root of 83 × 35 =
  16. 16.Digital root of 477 =
  17. 17.Digital root of 894 =
  18. 18.Digital root of 92 × 91 =
  19. 19.Digital root of 38 × 78 =
  20. 20.Digital root of 78 × 89 =
  21. 21.Digital root of 84647 =
  22. 22.Digital root of 80865 =
  23. 23.Digital root of 16 × 18 =
  24. 24.Digital root of 37657 =
  25. 25.Digital root of 92631 =
  26. 26.Digital root of 39735 =
  27. 27.Digital root of 30526 =
  28. 28.Digital root of 53243 =
  29. 29.Digital root of 12 × 39 =
  30. 30.Digital root of 63 × 14 =
  31. 31.Digital root of 84987 =
  32. 32.Digital root of 24970 =
  33. 33.Digital root of 38515 =
  34. 34.Digital root of 57080 =
  35. 35.Digital root of 41 × 79 =
  36. 36.Digital root of 94 × 38 =
  37. 37.Digital root of 47108 =
  38. 38.Digital root of 42 × 52 =
  39. 39.Digital root of 26 × 86 =
  40. 40.Digital root of 6796 =

Answer key

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

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