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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 697 · 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 54610 =
  2. 2.Digital root of 80 × 12 =
  3. 3.Digital root of 35955 =
  4. 4.Digital root of 85804 =
  5. 5.Digital root of 63876 =
  6. 6.Digital root of 26911 =
  7. 7.Digital root of 30182 =
  8. 8.Digital root of 41113 =
  9. 9.Digital root of 66319 =
  10. 10.Digital root of 50874 =
  11. 11.Digital root of 46491 =
  12. 12.Digital root of 57635 =
  13. 13.Digital root of 44489 =
  14. 14.Digital root of 15381 =
  15. 15.Digital root of 90 × 80 =
  16. 16.Digital root of 76818 =
  17. 17.Digital root of 10195 =
  18. 18.Digital root of 93765 =
  19. 19.Digital root of 54 × 28 =
  20. 20.Digital root of 39357 =
  21. 21.Digital root of 23806 =
  22. 22.Digital root of 83927 =
  23. 23.Digital root of 10840 =
  24. 24.Digital root of 76863 =
  25. 25.Digital root of 67 × 34 =
  26. 26.Digital root of 21 × 67 =
  27. 27.Digital root of 25177 =
  28. 28.Digital root of 87 × 52 =
  29. 29.Digital root of 88 × 47 =
  30. 30.Digital root of 61 × 86 =
  31. 31.Digital root of 79544 =
  32. 32.Digital root of 93125 =
  33. 33.Digital root of 4893 =
  34. 34.Digital root of 64131 =
  35. 35.Digital root of 82 × 26 =
  36. 36.Digital root of 27521 =
  37. 37.Digital root of 67 × 60 =
  38. 38.Digital root of 35368 =
  39. 39.Digital root of 49 × 63 =
  40. 40.Digital root of 41178 =

Answer key

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

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