Links

Chapter 15: Measurement: A Focus on Length and Area

Circumference Activity
http://www.sciencebuddies.org/mentoring/project_ideas/Astro_p018.shtml?from=Home
This link allows users to see how the circumference of the earth is calculated.

Length Activities
http://msteacher.org/epubs/math/QuickTakes/linearMeasurement.aspx
This links to a number of interesting length problems for students to pursue.

NCTM Measurement Links
http://illuminations.nctm.org/WebResourceList.aspx?Ref=2&Std=3&Grd=0
This links to a number of NCTM suggested sites that focus on linear measurement and area measurement.

Perimeter vs. Area
http://www.shodor.org/interactivate/activities/PerimeterExplorer/
http://www.shodor.org/interactivate/activities/AreaExplorer/
http://www.shodor.org/interactivate/activities/ShapeExplorer/
Users can explore the difference between perimeter and area.

Pi
http://www.exploratorium.edu/pi/index.html
This link provides access to all kinds of information about the number p, the length of the circumference of a circle with diameter 1 unit.

Pythagorean theorem
http://mathforum.org/~sarah/shapiro/shapiro.knotted.string.html
This link allows students to consider the Pythagorean theorem with a focus on area.

Using a Ruler
http://www.geogebra.org/en/upload/files/english/duane_habecker/broken_cm_ruler.html
This link allows students to practise the use of a ruler that does not start at 0.