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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 264 · 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 21115 =
  2. 2.Digital root of 81929 =
  3. 3.Digital root of 97 × 14 =
  4. 4.Digital root of 26080 =
  5. 5.Digital root of 88 × 75 =
  6. 6.Digital root of 44639 =
  7. 7.Digital root of 79 × 53 =
  8. 8.Digital root of 58106 =
  9. 9.Digital root of 65 × 89 =
  10. 10.Digital root of 93045 =
  11. 11.Digital root of 76393 =
  12. 12.Digital root of 54 × 21 =
  13. 13.Digital root of 39864 =
  14. 14.Digital root of 35245 =
  15. 15.Digital root of 78579 =
  16. 16.Digital root of 74884 =
  17. 17.Digital root of 21175 =
  18. 18.Digital root of 12375 =
  19. 19.Digital root of 4126 =
  20. 20.Digital root of 90 × 63 =
  21. 21.Digital root of 16 × 37 =
  22. 22.Digital root of 49861 =
  23. 23.Digital root of 10637 =
  24. 24.Digital root of 83977 =
  25. 25.Digital root of 50789 =
  26. 26.Digital root of 16 × 99 =
  27. 27.Digital root of 19380 =
  28. 28.Digital root of 46 × 14 =
  29. 29.Digital root of 83459 =
  30. 30.Digital root of 61 × 66 =
  31. 31.Digital root of 76 × 41 =
  32. 32.Digital root of 12134 =
  33. 33.Digital root of 23 × 48 =
  34. 34.Digital root of 55598 =
  35. 35.Digital root of 28 × 24 =
  36. 36.Digital root of 67 × 32 =
  37. 37.Digital root of 69 × 51 =
  38. 38.Digital root of 52 × 25 =
  39. 39.Digital root of 33 × 17 =
  40. 40.Digital root of 23 × 60 =

Answer key

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

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