Perimeter: word problems
Perimeter tells you how far it is around a shape. It is perfect for borders, fences, and tracks.
Do this: Read the concept below, then try the quiz or activity.
Concept
Perimeter is the total length around the edges.
For rectangles: P = 2 Ć (length + width)
Example: A garden is 14 ft by 9 ft. P = 2 Ć (14 + 9) = 2 Ć 23 = 46 ft
šļø Think like a field designer: - Want to put rope around a court? Use perimeter. - Want to run one lap around a track? Use perimeter. - Want to frame a poster? Use perimeter.
Try it
Solve these perimeter stories.
1. A rectangular playground is 35 m long and 20 m wide. What is the perimeter? 2. A photo frame measures 12 in by 8 in. How much trim is needed? 3. A square garden has side length 15 ft. What is its perimeter? 4. A yard perimeter is 64 ft. If length is 20 ft, what is the width?
Challenge: 5. Draw two different rectangles with perimeter 30 cm.