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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 567 · 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 72333 =
  2. 2.Digital root of 99 × 42 =
  3. 3.Digital root of 58 × 82 =
  4. 4.Digital root of 85 × 39 =
  5. 5.Digital root of 67444 =
  6. 6.Digital root of 29 × 62 =
  7. 7.Digital root of 28970 =
  8. 8.Digital root of 30356 =
  9. 9.Digital root of 14 × 53 =
  10. 10.Digital root of 83087 =
  11. 11.Digital root of 42009 =
  12. 12.Digital root of 22929 =
  13. 13.Digital root of 23621 =
  14. 14.Digital root of 7236 =
  15. 15.Digital root of 81 × 92 =
  16. 16.Digital root of 30541 =
  17. 17.Digital root of 52712 =
  18. 18.Digital root of 65 × 91 =
  19. 19.Digital root of 93 × 98 =
  20. 20.Digital root of 24761 =
  21. 21.Digital root of 41221 =
  22. 22.Digital root of 21 × 73 =
  23. 23.Digital root of 27930 =
  24. 24.Digital root of 59 × 65 =
  25. 25.Digital root of 62700 =
  26. 26.Digital root of 77 × 14 =
  27. 27.Digital root of 81255 =
  28. 28.Digital root of 68933 =
  29. 29.Digital root of 22 × 45 =
  30. 30.Digital root of 49871 =
  31. 31.Digital root of 71 × 26 =
  32. 32.Digital root of 38895 =
  33. 33.Digital root of 34 × 28 =
  34. 34.Digital root of 3938 =
  35. 35.Digital root of 2827 =
  36. 36.Digital root of 57 × 33 =
  37. 37.Digital root of 33 × 63 =
  38. 38.Digital root of 50 × 48 =
  39. 39.Digital root of 21 × 37 =
  40. 40.Digital root of 84 × 49 =

Answer key

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

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