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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 19 · 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 95822 =
  2. 2.Digital root of 19 × 54 =
  3. 3.Digital root of 83654 =
  4. 4.Digital root of 47943 =
  5. 5.Digital root of 13249 =
  6. 6.Digital root of 62 × 58 =
  7. 7.Digital root of 19 × 88 =
  8. 8.Digital root of 78 × 43 =
  9. 9.Digital root of 98318 =
  10. 10.Digital root of 91 × 13 =
  11. 11.Digital root of 24862 =
  12. 12.Digital root of 68657 =
  13. 13.Digital root of 56 × 23 =
  14. 14.Digital root of 32 × 28 =
  15. 15.Digital root of 58185 =
  16. 16.Digital root of 71221 =
  17. 17.Digital root of 12 × 87 =
  18. 18.Digital root of 76 × 22 =
  19. 19.Digital root of 7218 =
  20. 20.Digital root of 10142 =
  21. 21.Digital root of 53 × 14 =
  22. 22.Digital root of 15867 =
  23. 23.Digital root of 6884 =
  24. 24.Digital root of 77 × 13 =
  25. 25.Digital root of 11619 =
  26. 26.Digital root of 32 × 56 =
  27. 27.Digital root of 17 × 45 =
  28. 28.Digital root of 20952 =
  29. 29.Digital root of 11076 =
  30. 30.Digital root of 53261 =
  31. 31.Digital root of 75378 =
  32. 32.Digital root of 47216 =
  33. 33.Digital root of 24083 =
  34. 34.Digital root of 49011 =
  35. 35.Digital root of 18786 =
  36. 36.Digital root of 37507 =
  37. 37.Digital root of 53 × 96 =
  38. 38.Digital root of 59 × 43 =
  39. 39.Digital root of 37 × 47 =
  40. 40.Digital root of 26386 =

Answer key

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

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