U.S. Customary
Metric System
Choosing
Units of U.S. Customary Measurement
Tools of Measurement
Choosing Units of Metric Units
100
The largest unit of measurement of length
What is mile?
100
The smallest unit of mass

What is gram?

What is grams?

100
The length of a football field
What is yards?
100
This tool can measure millimeters, centimeters, inches, and foot. We say that a foot is about the length of this tool
What is a ruler?
100
About the mass of a grain of rice
What is a gram?
200
The smallest unit of weight
What is ounce?
200
The second smallest unit of length

What is centimeter?

What is centimeters?

200
The weight of an adult
What is pounds?
200
This tool is used to measure inches, feet, and yards and is a U.S. Customary tool
What is a yard stick?
200
About the width of a pinky
What is centimeter?
300
The smallest unit of measurement of length

What is inch?

What is inches?

300
The smallest unit of measurement for length

What is millimeter?

What is millimeters?

300
About the length of a small paperclip
What is inches.
300
This tool is found in the grocery store and is used to weight fruits and vegetables

What is a food scale?

or 

What is a spring scale?

300
About the mass of a large animals, such as an elephant
What is kilograms?
400
The largest unit of measure for weight

What is ton?

What is tons?

400
What is the largest unit of mass

What is kilogram?

What is kilograms?

400
The weight of a baby
What is ounces?
400
This tool is used to measure how much a child or an adult weighs
What is a body scale?
400
About the thickness of 6 sheets of paper
What is millimeter?
500
The unit of measure in length that comes before mile
What is yards?
500
What is the largest unit of measurement of length

What is kilometer?

What is kilometers?

500
The weight of a dump truck
What is ton?
500
This tool is used to measure kilometers
What is a trundle wheel?
500
About the length of 6 city blocks
What is kilometer?
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