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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 704 · 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 86288 =
  2. 2.Digital root of 30 × 29 =
  3. 3.Digital root of 34 × 75 =
  4. 4.Digital root of 79 × 64 =
  5. 5.Digital root of 22 × 45 =
  6. 6.Digital root of 21 × 91 =
  7. 7.Digital root of 41211 =
  8. 8.Digital root of 33 × 30 =
  9. 9.Digital root of 8871 =
  10. 10.Digital root of 23797 =
  11. 11.Digital root of 53 × 33 =
  12. 12.Digital root of 59604 =
  13. 13.Digital root of 49 × 42 =
  14. 14.Digital root of 92606 =
  15. 15.Digital root of 29 × 60 =
  16. 16.Digital root of 47107 =
  17. 17.Digital root of 6155 =
  18. 18.Digital root of 71 × 13 =
  19. 19.Digital root of 26490 =
  20. 20.Digital root of 4577 =
  21. 21.Digital root of 75 × 98 =
  22. 22.Digital root of 84 × 39 =
  23. 23.Digital root of 89873 =
  24. 24.Digital root of 27040 =
  25. 25.Digital root of 88818 =
  26. 26.Digital root of 84996 =
  27. 27.Digital root of 14 × 74 =
  28. 28.Digital root of 47663 =
  29. 29.Digital root of 54375 =
  30. 30.Digital root of 37210 =
  31. 31.Digital root of 21596 =
  32. 32.Digital root of 34451 =
  33. 33.Digital root of 42314 =
  34. 34.Digital root of 49756 =
  35. 35.Digital root of 39559 =
  36. 36.Digital root of 9852 =
  37. 37.Digital root of 64762 =
  38. 38.Digital root of 27978 =
  39. 39.Digital root of 47 × 68 =
  40. 40.Digital root of 84018 =

Answer key

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

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