Type:

Other

Description:

With this online activity, students explore the classic mathematics map-coloring question known as the four-color problem. Students must determine the minimum number of colors needed to color a map so that entities sharing a border have different colors. Initially, students investigate the minimum number of colors necessary to color a map of states west of the Mississippi River. The activity's Getting Started section suggests coloring the states in a specific order. The Solution page uses odd and even numbers to explain the mathematics of map coloring. In the Try These section, students solve problems investigating other map-coloring situations and learn how map coloring relates to fields such as city planning. The activity includes a brief history of the four-color problem, which was finally solved using a computer in 1976. This activity is one of 80 mathematical challenges featured on the Figure This! web site, where real-world uses of mathematics are emphasized. Copyright 2005 Eisenhower National Clearinghouse

Subjects:

  • Mathematics > General
  • Education > 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:

History/Policy/Law,Process skills,Middle School,NSDL,Grade 6,Geometry,Grade 8,NSDL_SetSpec_1007936,oai:nsdl.org:2200/20120114184800221T,Mathematics history,Problem solving,Informal Education,Mathematics,Famous problems,Education,Reasoning,Grade 7

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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