Area and Perimeter

1) Area Explorer

http://www.shodor.org/interactivate/activities/perm/index.html

2) Perimeter Explorer

http://www.shodor.org/interactivate/activities/permarea/index.html

3) Shape Explorer

http://www.shodor.org/interactivate/activities/perimeter/index.html

4) Perimeter - lesson and quiz

http://www.mcwdn.org/Geometry/Perimeter.html

5) Area and Perimeter of Squares, Rectangles, Paralellogram, Trapezoids, Triangles and Circles

http://www.aaamath.com/geo.html#topic12

6) Area and Perimeter - activites and explanations

http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/

7) Bucky's Blueprints - area and perimieter

http://www.iknowthat.com/com/L3?Area=BluePrints

8) lluminations: Area of Triangle

http://illuminations.nctm.org/ActivityDetail.aspx?ID=106

9) Interactive: Triangle Explorer

http://www.shodor.org/interactivate/activities/TriangleExplorer/?version=1.5.0_10&browser=MSIE&vendor=Sun_Microsystems_Inc.

10) Area of Triangle - explanation and practice problems

http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i9/bk7_9i5.htm