Type:

Other

Description:

This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases. Students use poems or nursery rhymes as their source text, draw boxes around repeating parts, and use arrows to point to earlier parts of the text that can be used to "uncompress" the text. The boxes and arrows are then related to the numbers that computers use in compression. An extension has students try compressing a much longer story, "The Three Little Pigs."

Subjects:

  • Computer Science > General
  • Mathematics > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

NSDL,text,Upper Elementary,Data Representation,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,Computer science,Mathematics,poem,oai:nsdl.org:2200/20110926124114454T,compression,zip,storage,Engineering,Computer Science,Informal Education,Higher Education,Middle School,Patterns,Elementary School,Representation,Physics,Computing and Information,LZ coding,GIF,General,Computer Engineering,High School,Technology

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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