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Estimate it!
Measure it!
Which unit?
Surprise!
Zig Zag Lines
100
About how many centimeters wide is your thumbnail?
1 cm
100
How many inches is your pencil box?
_____ in.
100
With which unit would you measure a crayon? a. centimeters b. meters
a. centimeters
100
Line A is 5 cm long. Line B is 6 cm long. How much longer is Line B?
1 cm
100
How long is line #1 in inches?
7 inches 2 in. + 3 in. + 2 in. = 7 in.
200
Estimate how tall the door is in yards.
2 yards
200
How many centimeters long is your crayon box?
____ cm
200
With which unit would you measure a soccer field? a. inches b. feet c. yards
c. yards
200
Sasha measured her tv in inches and feet. Will it take more inches or more feet to measure the tv? Why?
It will take more inches than feet to measure the tv because inches are smaller, so it takes more of them.
200
How long is line #2 in centimeters?
16 cm 5 cm + 4 cm + 7 cm = 16 cm
300
Which is the best estimate for height of the whiteboard? a. 4 feet b. 10 feet c. 1 foot
a. 4 feet
300
Would you use a yardstick or a ruler to measure the distance from your desk to the bathroom?
Yardstick
300
With which unit would you measure the height of a person?
feet
300
How long is the pencil in Line a in question #6?
9 cm long
300
How long is line #3 in inches?
5 inches 2 in. + 1 in. + 2 in. = 5 in.
400
Which is the best estimate for height of Ms. Thompson? a. 6 feet b. 6 meters c. 6 centimeters
a. 6 feet
400
How many inches long is your classwork folder?
_____ in.
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
How long is Line b in question #7?
8 cm
400
How long is line #4 in centimeters?
15 centimeters 5 cm + 4 cm + 6 cm = 15 cm
500
Which is the best estimate for the height of the building? a. 20 feet b. 20 inches c. 20 meters
a. 20 feet
500
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)
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
Answer question #8. Line a is ______ cm (longer/shorter) than Line b.
Line a is 1 cm longer than Line b.
500
How long is line #5 in centimeters?
13 cm 6 cm + 3 cm + 4 cm = 13 cm