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Estimate it!
Measure it!
Which unit?
Unit conversions
Word Problems
100

Estimate: How many centimeters wide is your thumbnail?

About 1 cm

100

How many inches is your library book?

_____ 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
100

Natalie's paper was 12 inches long. She cut off 4 inches. How many inches long was her paper?

8 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. yards or meters

c. yards or meters

200
How many feet are in one yard?
3 feet.
200

Katie has an eraser that is 1 cm long and a sharpener that is 1 in long. Which school supply is longer?

Sharpener!

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.
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 the height of Miss Peterson? a. 5 feet b. 5 meters c. 5 centimeters

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
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
How many inches long is your desk?
______ 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.
500

Sawyer says that the height of a camel is 6. Is the height about 6 inches, 6 feet, or 6 yards.

6 feet