If you were to measure an object with two different units, which would give you a bigger number? Paperclips or craft sticks?
Paperclips
How many inches are on a ruler?
12
Ross's pencil is 9 inches long. Nikki's pencil is 3 inches long. How much longer is Ross's pencil than Nikki's?
6 inches
What are 2 reasons that we could have two different measurements for the same object?
1. Different units 2. Didn't align the ruler right 3. Ruler isn't straight across the object
What is longer? 1 centimeter or 1 inch?
1 inch
Mr. Crawford is 73 inches tall. Ms. Pogue is 66 inches tall. How many inches taller is Mr. Crawford than Ms. Pogue?
7 inches taller
Can we compare two measurements that do not use the same unit?
No
How many inches are in 1 foot?
12
What is longer in length? 1 centimeter (cm) or 1 meter?
1 meter
About how long is your pencil?
A. About 6 inches
B. About 6 feet
C. About 6 centimeters (cm)
D. About 6 yards
A. About 6 inches
Why do we need to measure with the same unit in order to compare two measurements?
So we know that both measurements were measured using the same length unit.
Paperclips vs. Craft sticks
Inches vs. inches
Mark measured the height of a door. He says it is 2 units high. What unit did he use?
A. Centimeters (cm)
B. Meters
C. Inches
D. None of these are correct
B. Meters
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