Type:

Other

Description:

This Java applet is designed to allow students to practice visualizing and calculating area and perimeter for figures formed by adjacent squares on a grid. After the student selects a size using a slide bar, the Java applet generates a random closed figure. The student enters values for the figure's area and perimeter, which are checked automatically. The applet limits figures to rectangles and generates two column comparisons of areas and perimeters for multiple figures. From the activity page, What, How, and Why buttons open pages that explain the activity's purpose, function, and how the mathematics fits into the curriculum. The applet also references related NCTM standards for grades 6-8. Supplemental resources include lesson plans, background information about units and unit conversion, handouts, and exploration questions about comparing grid line intersections on the interior and exterior of figures. 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:

Perimeter,Process skills,Middle School,NSDL,Upper Elementary,Area,Grade 5,Grade 4,oai:nsdl.org:2200/20120114184905031T,NSDL_SetSpec_1007936,Elementary School,Visualization,Grade 6,Measurement,Informal Education,Mathematics,Education,Grade 8,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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