Open Up - Grade 7 - Mathematics - Unit 3 - Lesson 4

By Formative Library
Last updated about 3 years ago
13 Questions

Here is a picture of a Ferris wheel. It has a diameter of 80 meters.


On the picture, draw and label a diameter.

Here is a picture of a Ferris wheel. It has a diameter of 80 meters.


Using your answer from question 1 how far does a rider travel in one complete rotation around the Ferris wheel?(Round to the nearest whole number)

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The length of the minute hand on a clock is 5 in.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The distance across a sink drain is 3.8 cm.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The tires on a mining truck are 14 ft tall.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The fence around a circular pool is 75 ft long.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The distance from the tip of a slice of pizza to the crust is 7 in.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

Breaking a cookie in half creates a straight side 10 cm long.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

The length of the metal rim around a glass lens is 190 mm.

Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle.

From the center to the edge of a DVD measures 60 mm.

A half circle is joined to an equilateral triangle with side lengths of 12 units.
What is the perimeter of the resulting shape? (Round to the nearest hundreth)

Circle A has a diameter of 1 foot. Circle B has a circumference of 1 meter.

Which circle is bigger?

The circumference of Tyler's bike tire is 72 inches.

What is the diameter of the tire? (Round to the nearest whole number.)

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