Perimeter

Pretest

1. What is perimeter?

2. How do you find the perimeter of a shape?

3. Which problem will find the perimeter of the given shape:

4. Which problem will find the perimeter of this square?

5. What is the perimeter of this octagon?

6. If Jim was running around all of the bases on a baseball field that
were 70 feet apart, what is the distance that he would have to run.

7. If Tim and Jim were going to build a fence in the shape of a square around
their back yard that had one side that was 5 yards long, what would be the
perimeter of the fence?

8. Jill is growing a vegetable garden but the deer keep eating her plants.
She has decided to build a rectangular fence around her garden to protect
it. One side is 42 feet and another side is 42 feet. What other information
do you need to help Jill find out the total length of fencing is needed
for her project?

9. The exterminator charges 55 cents per foot to exterminate around my
rectangular house. What amount do I need multiply to the 55 cents per foot,
to calculate how much to pay the exterminator?

10. I'm going to draw a chalk line around the perimeter of our school playground
that is in the shape of a pentagon. Two of the sides are 10 yards, two of
the other sides are 12 yards, and the last side is 15 yards. How many yards
of chalk will be needed to draw the perimeter?