Estimating Perimeter

When you see the words "estimate" or "about" in a word problem, what do you have to do?

• regroup

• round

the distance around a figure

• perimeter

• area

• rectilinear figure

• guitar

What is the perimeter?
(click to show image)

• 20 metres

• 40 metres

• 60 metres

• 200 metres

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet

• 120 feet

• 60 feet

​ ​ (a)   a linear measurement of the distance around the outer edge of a figure

• perimeter

• area

• length

This figure shows Luna's dining room. What expression could be used to find the total length, in feet, of the baseboard needed. (Write your answer in the spaces provided).

What is the perimeter of the fence?
(click to show image)

• 25

• 30

• 35

• 40

Farmer Bob's son built a track to walk his pet pig.  The track goes around the pig pen.  The pig pen is 15 feet long and 21 feet wide.  If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

The distance around a shape is its .

(a)  

• Perimeter

• Area

Tags

4.5.D

What is the perimeter of B?