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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 534 · 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 40569 =
  2. 2.Digital root of 33989 =
  3. 3.Digital root of 31576 =
  4. 4.Digital root of 94078 =
  5. 5.Digital root of 28 × 37 =
  6. 6.Digital root of 15285 =
  7. 7.Digital root of 47 × 98 =
  8. 8.Digital root of 4220 =
  9. 9.Digital root of 9898 =
  10. 10.Digital root of 25801 =
  11. 11.Digital root of 86095 =
  12. 12.Digital root of 14 × 39 =
  13. 13.Digital root of 37463 =
  14. 14.Digital root of 78 × 74 =
  15. 15.Digital root of 64 × 97 =
  16. 16.Digital root of 70950 =
  17. 17.Digital root of 25 × 32 =
  18. 18.Digital root of 39875 =
  19. 19.Digital root of 83 × 98 =
  20. 20.Digital root of 4910 =
  21. 21.Digital root of 11762 =
  22. 22.Digital root of 30 × 48 =
  23. 23.Digital root of 78889 =
  24. 24.Digital root of 45 × 30 =
  25. 25.Digital root of 16210 =
  26. 26.Digital root of 84383 =
  27. 27.Digital root of 83 × 96 =
  28. 28.Digital root of 63316 =
  29. 29.Digital root of 81482 =
  30. 30.Digital root of 2356 =
  31. 31.Digital root of 41398 =
  32. 32.Digital root of 2491 =
  33. 33.Digital root of 54 × 69 =
  34. 34.Digital root of 31 × 12 =
  35. 35.Digital root of 71195 =
  36. 36.Digital root of 13758 =
  37. 37.Digital root of 59177 =
  38. 38.Digital root of 96 × 79 =
  39. 39.Digital root of 60825 =
  40. 40.Digital root of 87 × 64 =

Answer key

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

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