Finding Perimeter and Circumference

Latest update to this document: 3 December 2002

This is a link page for a lesson about perimeter. Students in grades 4-5 would benefit the most from the information provided here. After the students master perimeter of rectangles and squares, move onto the circumference of circles.

Perimeter PowerPoint Presentation

The power point presentation about perimeter explains how to measure the perimeter of an object. Perimeters of rectangles, squares and other objects with straight sides are the focus of this PowerPoint slide show.

Finding Perimeter Worksheet

This worksheet has five questions based on the information provided in the slide show. All are problems on figuring perimeter. The worksheet is in a pdf format, so it should come up easily on most computers. These questions will help determine if the students understood what was presented in the PowerPoint slide show.

Finding Perimeter Worksheet Answer Key

This answer key has all the answers filled in boxes so the answers are easy to find. The answer key is also in pdf format.

Circumference PowerPoint Presentation

The PowerPoint presentation about circumference explains how to measure the distance around a circle. Step-by-step instructions to find circumference are included on the slide show.

Finding Circumference Worksheet

This worksheet has questions based on the information provided in the slide show. The worksheet is in a pdf format, so it should come up easily on most computers. These questions will help determine if the students understood what was presented in the PowerPoint slide show. Included are questions about radius, diameter, and pie.

Finding Circumference Worksheet Answer Key

This answer key has all the answers filled in boxes so the answers are easy to find. The answer key is also in pdf format.

Web Resources

Math League

Math League has definitions and examples for both perimeter and circumference.

AAA Math

AAA Math has a place to plug in the numbers of the square, rectangle, parallelogram, and get the perimeter; or plug in the numbers of a circle and get the circumference back.

Wrap-up for Perimeter and Circumference

After perimeter and circumference are understood, try measuring things around the classroom or home. See what objects have the same perimeter as others. Find out the difference in circumferences of different size circles.


All clip art is from Microsoft Design Gallery Live.


Links

CS255 Computers in El Ed Home Page

Link to Northern Michigan University


Andrea Klee: aklee@nmu.edu