Curated OER
Drawing to Scale
Students examine the process of drawing a picture to scale. They analyze and discuss real-life blueprints for a house, and create a scale drawing of an original invention using calculators and rulers.
Curated OER
Perimeter
Have your class practice finding the perimeter of several given shapes. This slide show includes a definition and example of how to find perimeter along with several practice problems for the class to solve.
Curated OER
Perimeter
Students explore the concept of perimeter. In this perimeter activity, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
Curated OER
ExplorA-Pond: 4th Grade Perimeter Estimation
Your geometers are used to finding the perimeter of a square or rectangle, so give them something different this time! With this lesson, small groups will receive a picture of a shoreline and calculate the perimeter. The website listed...