Estimate it!
Area and Perimeter
Which unit?
Unit conversions
Word Problems
100
About how many centimeters wide is your thumbnail?
1 cm
100

What does perimeter measure?


What does area measure? 

The outside of the shape. 


The inside of the shape. 

100
With which unit would you measure a crayon? a. centimeters b. meters
a. centimeters
100

How many inches are in one foot?

12 inches

100
Natalie's paper was 12 inches long. How many feet was her paper?
1 foot
200
Estimate how tall the door is in yards.
2 yards
200

Find the perimeter. 


31 

200
With which unit would you measure a soccer field? a. inches or centimeters b. feet c. yards or meters
c. yards or meters
200
How many feet are in one yard?
3 feet.
200
Katie measured that her dresser was 2 yards long. How many feet did she have?
6 feet
300
Which is the best estimate for height of the whiteboard? a. 4 feet b. 10 feet c. 1 foot
a. 4 feet
300

Find the area. 


15 cm.

300
With which unit would you measure the height of a person?
feet
300
How many centimeters are in one meter?
100 centimeters.
300

Connor measured that his bathtub was 140 centimeters long. Was his bathtub longer or shorter than 1 meter? a. longer than one meter b. shorter than one meter

a. longer than one meter. (Because 1 meter = 100 cm. 140 cm > 100 cm... so the bathtub is longer than 1 meter.)

400
Which is the best estimate for height of Mrs. Estopinal? a. 6 feet b. 6 meters c. 6 centimeters
a. 6 feet
400

Find the area.


36 

400
With which unit would you measure the length of our library? a. feet b. centimeters c. yards or meters
c. yards or meters.
400

If 12 inches are in 1 foot, how many inches are in 2 feet?

24 inches

400

Joshua measured that his pencil was 4 centimeters long. Kaleb measured that his pencil was 5 inches long. Who had the longer pencil?

Kaleb (because an inch is longer than a centimeter!)

500
Which is the best estimate for the height of a stopsign? a. 10 feet b. 10 inches c. 10 meters
a. 10 feet
500

Find the perimeter. 

68 m.

500
With which unit would you measure the length of a person's ear? a. centimeters b. feet c. yards Estimate the length of a person's ear.
centimeters. Estimation between 4 and 9 centimeters.
500
If 3 feet are in 1 yard, how many feet are in 3 yards?
9 feet.
500

Sawyer measured that the bookcase was 7 feet long. Chance measured that the bulletin board was 2 yards long. Which was longer, the bulletin board or the bookcase?

The bookcase, because the bookcase was 2 yards and 1 foot long.