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

How many inches is your desk?

_____ in.

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
200
Estimate how tall the door is in yards.
2 yards
200
How many centimeters long is a paperclip?
____ cm
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.
300
Which is the best estimate for height of the whiteboard? a. 4 feet b. 10 feet c. 1 foot
a. 4 feet
300
Tricky!! If an eyebrow is about 3 cm long, about how many inches long is the eyebrow?
1 inch (1 inch = a little less than 3 cm)
300
With which unit would you measure the height of a person?
feet
300
How many centimeters are in one meter?
100 centimeters.
400

Which is the best estimate for height of Mrs. Anessa? a. 5 feet b. 8 meters c. 6 inches

a. 5 feet

400
Would you use a yardstick or a ruler to measure the distance from your desk to the bathroom?
yardstick
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
500

Which is the best estimate for the length of an eraser? a. 1 foot b. 2 inches c. 10 meters

b. 2 inches

500

How many inches long is your blue math book?

______ in.

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.
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