If you were to measure an object with two different units, which would give you a bigger number? Paperclips or craft sticks?
Paperclips
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15
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
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15
What is the correct measurement of this mark?
4 1/2 inches
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15
How many inches are in 1 foot?
12
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thief
Give points!
5
10
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25
shark
Other team loses 20 points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
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15
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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15
What is longer in length? 1 centimeter (cm) or 1 meter?
1 meter
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15
What is longer? 1 centimeter or 1 inch?
1 inch
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15
Is this 1/4 or 1/2 inch?
1/4
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15
How many feet are in a yard?
3
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baam
Lose 20 points!
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fairy
Take points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
thief
Give points!
5
10
15
20
25
monster
Reset all scores!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 25 points!
Okay!
thief
Give points!
5
10
15
20
25
15
How long is the shoe? Look at the ruler carefully
6 inches
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15
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