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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 6 · 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 56912 =
  2. 2.Digital root of 58834 =
  3. 3.Digital root of 13 × 69 =
  4. 4.Digital root of 24 × 96 =
  5. 5.Digital root of 29039 =
  6. 6.Digital root of 72 × 39 =
  7. 7.Digital root of 5263 =
  8. 8.Digital root of 42 × 84 =
  9. 9.Digital root of 42798 =
  10. 10.Digital root of 87 × 22 =
  11. 11.Digital root of 70 × 62 =
  12. 12.Digital root of 29 × 76 =
  13. 13.Digital root of 82459 =
  14. 14.Digital root of 91844 =
  15. 15.Digital root of 12708 =
  16. 16.Digital root of 21604 =
  17. 17.Digital root of 68066 =
  18. 18.Digital root of 92 × 69 =
  19. 19.Digital root of 63086 =
  20. 20.Digital root of 73 × 92 =
  21. 21.Digital root of 59203 =
  22. 22.Digital root of 56 × 48 =
  23. 23.Digital root of 49362 =
  24. 24.Digital root of 63 × 28 =
  25. 25.Digital root of 19316 =
  26. 26.Digital root of 14 × 74 =
  27. 27.Digital root of 55991 =
  28. 28.Digital root of 23069 =
  29. 29.Digital root of 48219 =
  30. 30.Digital root of 66857 =
  31. 31.Digital root of 17 × 66 =
  32. 32.Digital root of 28150 =
  33. 33.Digital root of 96258 =
  34. 34.Digital root of 19802 =
  35. 35.Digital root of 29550 =
  36. 36.Digital root of 59335 =
  37. 37.Digital root of 4443 =
  38. 38.Digital root of 56 × 20 =
  39. 39.Digital root of 96947 =
  40. 40.Digital root of 81 × 27 =

Answer key

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

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