Do We Know Dewey?
Using the Dewey Decimal System
in the Media Center
Melvil Dewey,
a librarian,
invented the
Dewey Decimal
Classification
System in 1846
to sort books
by subject.
How does it work?
There are always three numbers to
the left of the decimal point.
These organize information into
10 general classes, which...
000 Computer Science,
Information and General Works
Books in this group have
many different subjects
Computers and the
Int...
100 Philosophy and Psychology
Emotions and Feelings
Supernatural Events
Astrology
200 Religion
220 = Bible Stories
221 = Old Testament
225 = New Testament
290 = World Religions
296 = Judaism
The TENS and ...
300 Social Sciences
How people live together
Holidays
Customs
Government
Military
Fun Fact!
Fairy and folk tales were
written to teach lessons
about behavior –
that’s Social Studies!
400 Language
Different Languages and Grammar
500 Natural Science and Math
Mathematics
Things from Nature
Earth Sciences
Plants
Animals
600 Technology (Applied Sciences)
Man Made Things
And Inventions
Human Body
Medicine
Space Science
Farming
Agriculture
Fam...
630 contains:
Farming
Farm Animals
Cats
Dogs
Pets
Horses
Fun Fact!
It’s the numbers AFTER the decimal
point that organize these into more
specific categories!
636.1 = Horses
636.7 = Dogs
63...
700 Arts and Leisure
Things we do for fun!
Drawing
Music
Recreational and
Performing Arts
Sports
796.323 = Basketball
796.332 = Football
796.357 = Baseball
796.44 = Gymnastics
796.962 = Hockey
The more numbers after the...
Cheerleaders
and Girls
Gymnastics
don’t belong
mixed in with
Football or
Hockey –
they could
get hurt!
800 Literature
and
Rhetoric
Stories
Plays
Poetry
American Literature
Old English Literature
Fun Fact!
“Fiction” books can be placed in
813 – American Fiction.
Because there are so many,
it’s easier to keep them
Und...
900 Geography
and History
Past Events
Countries of World
Biographies
920 - 928
Are shelved
alphabetically
by the subject’s
last name, not
by the author!
Fun Fact!
Books are shelved NUMERICALLY by:
1. The first three numbers BEFORE
the decimal point
2. Then by the numbers AFTER the
dec...
Information for this
presentation was obtained
from several free school and
library internet sources
including Wikipedia,
...
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Do We Know Dewey?

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Media Center training presentation on the Dewey Decimal Classification System.

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Do We Know Dewey?

  1. 1. Do We Know Dewey? Using the Dewey Decimal System in the Media Center
  2. 2. Melvil Dewey, a librarian, invented the Dewey Decimal Classification System in 1846 to sort books by subject.
  3. 3. How does it work?
  4. 4. There are always three numbers to the left of the decimal point. These organize information into 10 general classes, which are then broken down into smaller topics. The numbers to the right organize subjects even more specifically.
  5. 5. 000 Computer Science, Information and General Works Books in this group have many different subjects Computers and the Internet Encyclopedias World Records References News Media Rare Books Unexplained Subjects
  6. 6. 100 Philosophy and Psychology Emotions and Feelings Supernatural Events Astrology
  7. 7. 200 Religion 220 = Bible Stories 221 = Old Testament 225 = New Testament 290 = World Religions 296 = Judaism The TENS and ONES numbers separate each class into divisions and sections.
  8. 8. 300 Social Sciences How people live together Holidays Customs Government Military
  9. 9. Fun Fact! Fairy and folk tales were written to teach lessons about behavior – that’s Social Studies!
  10. 10. 400 Language Different Languages and Grammar
  11. 11. 500 Natural Science and Math Mathematics Things from Nature Earth Sciences Plants Animals
  12. 12. 600 Technology (Applied Sciences) Man Made Things And Inventions Human Body Medicine Space Science Farming Agriculture Family Living Pets Cooking
  13. 13. 630 contains: Farming Farm Animals Cats Dogs Pets Horses Fun Fact!
  14. 14. It’s the numbers AFTER the decimal point that organize these into more specific categories! 636.1 = Horses 636.7 = Dogs 636.8 = Cats 636.9 = Pets That way all the cats are with the cats and not with the chickens or ducks!
  15. 15. 700 Arts and Leisure Things we do for fun! Drawing Music Recreational and Performing Arts Sports
  16. 16. 796.323 = Basketball 796.332 = Football 796.357 = Baseball 796.44 = Gymnastics 796.962 = Hockey The more numbers after the decimal point, the more specific the category!
  17. 17. Cheerleaders and Girls Gymnastics don’t belong mixed in with Football or Hockey – they could get hurt!
  18. 18. 800 Literature and Rhetoric Stories Plays Poetry American Literature Old English Literature
  19. 19. Fun Fact! “Fiction” books can be placed in 813 – American Fiction. Because there are so many, it’s easier to keep them Under F for Fiction and then by Author, Series and Title.
  20. 20. 900 Geography and History Past Events Countries of World
  21. 21. Biographies 920 - 928 Are shelved alphabetically by the subject’s last name, not by the author! Fun Fact!
  22. 22. Books are shelved NUMERICALLY by: 1. The first three numbers BEFORE the decimal point 2. Then by the numbers AFTER the decimal point After books are grouped numerically, they are organized ALPHABETICALLY by: 1. The AUTHOR’s last name 2. The TITLE of the book
  23. 23. Information for this presentation was obtained from several free school and library internet sources including Wikipedia, Language arts at pppst.com, thinkquest.org, mikids.com, and breitlinks.com. Featured books were chosen randomly from the shelves, photographed and extracted by myself (some better than others). Copyright 2013 by Natalie RS McManus

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