Measurement Tools
Units of Measurements
Perimeter
Area
100
This tool is used to measure in inches.

A ruler

100
This unit of measurement is about the size of your fingerprint.

an inch

100

I have a triangle. Each side is 3 centimeters long. What is the perimeter of the triangle?

3 +3 + 3 = 9 centimeters

100

5 yards x 6 yards =

30 yards2

200

This tool is used to measure in centimeters and meters.

A meter stick

200

This unit of measurement is 36 inches long.

a yard

200

I have a trapezoid that has these measurements: 2 inches, 3 inches, 3 inches, and 5 inches. What is the perimeter of the trapezoid?

2 + 3 + 3 + 5 = 13 inches

200
The length of my rectangle is 4 inches. The width is 7 inches. What is the area of the rectangle?

4 inches x 7 inches = 28 inches2

300

This tool is always 36 inches or 3 feet in length.

A yardstick

300
This unit of measurement is usually used for longer distances, like when we drive a car.
a mile
300

I have a pentagon with these measurements: 3 ft, 4 ft, 5 ft, 4 ft, and 3 ft. What is the perimeter of the pentagon?

3 + 4 + 5 + 4 + 3 = 19 feet

300

A square that is 12 feet by 12 feet will have an area of what? 

144 feet2

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