Exploring the Concept of Perimeter

The video tutorial introduces the concept of perimeter, emphasizing its role in measuring the length around an object. It uses a practical example of walking around a backyard to demonstrate how to measure perimeter using tools like a tape measure and yardstick. The tutorial also clarifies that perimeter is different from area and height, focusing solely on the distance around an object. The video concludes with a recap of the key points about perimeter.

What does the perimeter measure?

• The total length around a shape

• The weight of a shape

• The space inside a shape

• The height of a shape

How many sides were measured in the backyard example?

• 3

• 2

• 5

• 4

Tags

CCSS.2.MD.A.3

What tools were used to measure the perimeter in the backyard?

• Ruler and compass

• Tape measure and yardstick

• Smartphone and app

• GPS and satellite imagery

Tags

CCSS.2.MD.A.3

What was the perimeter of the backyard?

• 60 yards

• 50 yards

• 70 yards

• 40 yards

Tags

CCSS.3.MD.D.8

Can perimeter be used to measure the area of a shape?

• Yes, always

• No, it measures the length around

• Only for squares

• Only for circles

What is NOT measured by the perimeter?

• Border of a swimming pool

• Length around a garden

• Height off the ground

• Length of a fence

Which of the following best describes the perimeter?

• The depth of a shape

• The volume of a shape

• The total distance around a shape

• The total area inside a shape