This Kidspiration activity focuses on using color tiles to build shapes with a given perimeter. Challenge questions ask students to build shapes with the same perimeters but different areas. The activity can easily be modified to include smaller or larger numbers.

The activity template can be found by clicking on the yellow “Download File” button. A completed example can also be downloaded and is listed below as an attachment.

This activity was created using Kidspiration 3, which must be installed to open the files. Download a 30-day free trial at www.inspiration.com/freetrial