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

How many inches long is your HD Word book

About 11 inches
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

Isabella and Jamar are measuring the length of their school bus.  Isabella says she will use a yardstick to measure the bus.  Jamar says he will use an inch ruler to measure the bus.  

  • Who used the best tool?

  • Explain how you know.



Isabella, the bus is very long, so you should use the longer tool. 

200

Estimate how tall the door to Mrs. Ansel's room is in yards.

2 yards

200

How many centimeters long is a paperclip?

3 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.
200

Luis and Zoe are growing sunflowers for a science project. Luis' sunflower is 2 feet tall. Zoe’s sunflower is 6 feet tall. 

  • How much taller is Zoe’s sunflower than Luis’ sunflower?

  • Show all your mathematical thinking.

Zoe's sunflower is 4 feet taller than Luis. 

300

Which is the best estimate for height of the whiteboard on the rug? 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

Yolanda and her sister measure the length of their bunkbed.  Yolanda measures the bed in inches and says it is 72 inches long.  Her sister measures the same bed in feet. 

She thinks her measurement in feet will be a greater number than Yolanda´s measurement in inches.  Is she correct?  Explain your thinking. 

She is not correct. Feet are bigger than inches, therefore less will be able to fit along the bunk bed. Inches are smaller and more are able to fit along the bed. 

400

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

a. 6 feet

400

Would you use a yardstick or a ruler to measure the distance from your desk to the the door?

yardstick

400

With which unit would you measure the length of our classroom? 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

Kim is making a craft with ribbon. The ribbon is 55 inches long.  Kim cuts off some ribbon and has 36 inches of ribbon left. How much ribbon did Kim cut off?

Kim cut off 19 inches. 

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?

About 24 inches. 

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

Fran and her dad built train tracks with their blocks.  Fran’s track measured 75 inches long.  Her dad’s track measured 54 inches long. How much longer is Fran's track?

Fran's track is 21 inches longer. 

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