# Get to know : The Dewey Decimal Get

Get to know : The Dewey Decimal Get to know the Dewey Decimal Classification Classification system system A brief PowerPoint slide show to help you understand how the Dewey Decimal Classification system works in your library Get to know the DDC Have you ever gone to the library and wondered how

youd ever find the books you want? Did you know that your library has a great way of organizing its books so that you can find them easily? Get to know the DDC Its called the Dewey Decimal Classification Systemor DDC for short. This system got its name from Melvil Dewey, the man who had this great idea for organizing library collections. He lived from 1851 to 1931 and introduced the DDC in 1876. Melvil Dewey

Get to know the DDC Mr. Deweys idea was so good that it has lasted for 130 years so far and it has spread to more than 200,000 libraries in 135 countries around the world! Get to know the DDC You may be wondering how youre supposed to use the DDC. Those numbers with periods in them on the ends of the bookshelves might look confusing to you. But once you know more about the DDC, youll find that they make it easy for you to find the books you want.

? Get to know the DDC It helps solve a big problem: So what does the DDC do? helping you find the right information by giving you a specific number that belongs to the item you want. Get to know the DDC The DDC helps libraries arrange the items so that library users can find

them. Its a lot like a neatly organized chest of drawers that you might have in your bedroom: Socks in the top drawer Underwear in the second drawer Shirts in the third drawer Pants in the bottom drawer Get to know the DDC Lets say youre interested in bicycles. What you want to

know about them will decide what DDC numbers youll need to find: The history of bicycles Taking care of your bicycle Bicycle safety Bicycle racing Get to know the DDC Each of these topics is about bicycles, but a book

about each of these topics will have its very own DDC number. The history of bicycles (796.6) Taking care of your bicycle (629.27) Bicycle safety (388.12) Bicycle racing (796.62)

Get to know the DDC Once you have the number for the book you need, you can go find the row of books where the book you want should be. The books on each shelf are arranged in number order, but if you need help, a parent or someone who works at the library can help you. Get to know the DDC You will probably notice that when you find a specific book, other books shelved around it are usually books on a similar topic. Thats how the DDC is arrangedby topic. And boy does the DDC have lots of topics!

Hundreds of them! Thousands of them! The topics in the DDC are arranged into ten main classes: 000 Computer science, information & general works 100 Philosophy & psychology

200 Religion 300 Social sciences 400 Language

500 Science 600 Technology

700 Arts & recreation 800 Literature 900 History & geography

Each division is then divided into ten sections, like this: 790 Recreational & performing art 791 Public performances

792 Stage presentations 793 Indoor games & amusements 794 Indoor games of skill

795 Games of chance 796 Athletic & outdoor sports & games 797

Aquatic & air sports 798 Equestrian sports & animal racing 799 Fishing, hunting & shooting Youll see all of these numbers on the

LEFT side of the decimal point. But what about the numbers on the RIGHT side of the decimal point? 796.046 The numbers on the right side are used to divide a specific subject into even more specific parts of a subject. For a book on making cookies at home, look for 641.8654 For a book on Golden Retrievers, look for 636.7527 For a book on stained glass, look for 748.5 Its like sorting your socks by color, or music CDs by performer or type of music.

Get to know the DDC So how do you know what numbers to look for in the first place? Here are a few suggestions: You can look up your topic on a computer in your library. You can browse the shelves, using the DDC numbers on the ends of shelves as your guide. You can ask someone who works at the library to help. Get to know the DDC Once you get to know the DDC, youll have a much better idea about where youll find the books and other items

you need in your libraryand in other libraries that use the DDC. Get to know the DDC Mr. Dewey had a great idea way back in 1876 that helps library users like you today. His idea, the DDC, is your friend in the library a friend you can always count on to help you find the information you need. Melvil Dewey

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