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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 665 · 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 48019 =
  2. 2.Digital root of 72 × 47 =
  3. 3.Digital root of 93 × 71 =
  4. 4.Digital root of 71 × 61 =
  5. 5.Digital root of 42343 =
  6. 6.Digital root of 24013 =
  7. 7.Digital root of 60277 =
  8. 8.Digital root of 27084 =
  9. 9.Digital root of 17 × 21 =
  10. 10.Digital root of 21 × 14 =
  11. 11.Digital root of 97684 =
  12. 12.Digital root of 39 × 16 =
  13. 13.Digital root of 15 × 24 =
  14. 14.Digital root of 64 × 72 =
  15. 15.Digital root of 12376 =
  16. 16.Digital root of 48 × 75 =
  17. 17.Digital root of 54814 =
  18. 18.Digital root of 85258 =
  19. 19.Digital root of 87 × 40 =
  20. 20.Digital root of 81901 =
  21. 21.Digital root of 87586 =
  22. 22.Digital root of 6176 =
  23. 23.Digital root of 70837 =
  24. 24.Digital root of 21 × 70 =
  25. 25.Digital root of 56 × 30 =
  26. 26.Digital root of 87938 =
  27. 27.Digital root of 9546 =
  28. 28.Digital root of 76457 =
  29. 29.Digital root of 68870 =
  30. 30.Digital root of 33 × 74 =
  31. 31.Digital root of 59 × 75 =
  32. 32.Digital root of 24252 =
  33. 33.Digital root of 46832 =
  34. 34.Digital root of 27268 =
  35. 35.Digital root of 82503 =
  36. 36.Digital root of 36 × 56 =
  37. 37.Digital root of 55 × 58 =
  38. 38.Digital root of 14864 =
  39. 39.Digital root of 55447 =
  40. 40.Digital root of 4774 =

Answer key

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

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