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

How many centimeters is your math book?

_____ cm.

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 meters.

About 2 meters

200
How many centimeters long is a paperclip?
____ cm
200

With which unit would you measure a soccer field?

a. centimeters b. meters

b. meters

200

How many feet are in one yard?

3 feet.

200

Katie measured that her dresser was 2 meters long. How many cm did she have?

200 cm

300

Which is the best unit to estimate the height of the whiteboard? a. meters b. inches c. centimeters

a. meters

300

If an eyebrow is about 3 cm long, about how many centimeters long are two eyebrows?

6 cm
300

With which unit would you measure the height of a person?

cm
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 Ms. Rasha?

a.  5 inches b. 4 meters c. 175 centimeters

a. 175 centimeters

400

Would you use a meter stick or a ruler to measure the distance from your desk to the bathroom?

meter stick

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?
Eduardo (because an inch is longer than a centimeter!)
500

Which is the best estimate for the height of a stop sign? a. 2 meters b. 10 centimeters c. 10 meters

a. 2 meters

500

How many centimeters long is your desk?

______ cm.

500

With which unit would you measure the length of a person's ear? a. centimeters b. feet c. meters 

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 190 cm long. Chance measured that the bulletin board was 2 meters long. Which was longer, the bulletin board or the bookcase?

The bulletin board