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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 810 · 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 74139 =
  2. 2.Digital root of 67795 =
  3. 3.Digital root of 95661 =
  4. 4.Digital root of 79217 =
  5. 5.Digital root of 46 × 51 =
  6. 6.Digital root of 2862 =
  7. 7.Digital root of 57074 =
  8. 8.Digital root of 44 × 48 =
  9. 9.Digital root of 30542 =
  10. 10.Digital root of 53555 =
  11. 11.Digital root of 36 × 65 =
  12. 12.Digital root of 24 × 17 =
  13. 13.Digital root of 38 × 77 =
  14. 14.Digital root of 31 × 55 =
  15. 15.Digital root of 81 × 22 =
  16. 16.Digital root of 34 × 59 =
  17. 17.Digital root of 16 × 49 =
  18. 18.Digital root of 31 × 23 =
  19. 19.Digital root of 66 × 79 =
  20. 20.Digital root of 96 × 35 =
  21. 21.Digital root of 33856 =
  22. 22.Digital root of 48137 =
  23. 23.Digital root of 83763 =
  24. 24.Digital root of 11055 =
  25. 25.Digital root of 54798 =
  26. 26.Digital root of 80304 =
  27. 27.Digital root of 31 × 95 =
  28. 28.Digital root of 95 × 48 =
  29. 29.Digital root of 53028 =
  30. 30.Digital root of 76 × 74 =
  31. 31.Digital root of 34907 =
  32. 32.Digital root of 22269 =
  33. 33.Digital root of 62 × 93 =
  34. 34.Digital root of 40 × 40 =
  35. 35.Digital root of 2598 =
  36. 36.Digital root of 62897 =
  37. 37.Digital root of 89631 =
  38. 38.Digital root of 24 × 15 =
  39. 39.Digital root of 58 × 81 =
  40. 40.Digital root of 48411 =

Answer key

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

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