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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 714 · 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 95928 =
  2. 2.Digital root of 42074 =
  3. 3.Digital root of 32874 =
  4. 4.Digital root of 63 × 68 =
  5. 5.Digital root of 49653 =
  6. 6.Digital root of 41 × 46 =
  7. 7.Digital root of 25956 =
  8. 8.Digital root of 43472 =
  9. 9.Digital root of 40 × 68 =
  10. 10.Digital root of 34 × 50 =
  11. 11.Digital root of 95589 =
  12. 12.Digital root of 12113 =
  13. 13.Digital root of 24264 =
  14. 14.Digital root of 49771 =
  15. 15.Digital root of 57 × 47 =
  16. 16.Digital root of 63158 =
  17. 17.Digital root of 52 × 97 =
  18. 18.Digital root of 51028 =
  19. 19.Digital root of 22013 =
  20. 20.Digital root of 31014 =
  21. 21.Digital root of 74698 =
  22. 22.Digital root of 16035 =
  23. 23.Digital root of 75914 =
  24. 24.Digital root of 82 × 82 =
  25. 25.Digital root of 94608 =
  26. 26.Digital root of 51 × 40 =
  27. 27.Digital root of 75 × 61 =
  28. 28.Digital root of 31440 =
  29. 29.Digital root of 9645 =
  30. 30.Digital root of 41 × 22 =
  31. 31.Digital root of 16594 =
  32. 32.Digital root of 57928 =
  33. 33.Digital root of 90 × 37 =
  34. 34.Digital root of 51 × 99 =
  35. 35.Digital root of 41510 =
  36. 36.Digital root of 86 × 24 =
  37. 37.Digital root of 8265 =
  38. 38.Digital root of 73838 =
  39. 39.Digital root of 52354 =
  40. 40.Digital root of 37 × 40 =

Answer key

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

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