Unit 3 Measuring Circles Assessment

Target A & B: Identify diameter and radius of a circle.

The radius of this circle is ____?

Target A & B: Identify diameter and radius of a circle.

The diameter of this circle is _____.

Tags

CCSS.7.G.B.4

Target A: Use the formula for circumference of circle

This shape is composed of three squares and two semicircles. Select all the expressions that correctly calculate the perimeter of the shape.

Tags

CCSS.3.MD.D.8

Target A: Use the formula for cirfumference of a circle to sovle problems.

Select all the true statements.

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Tags

CCSS.3.MD.D.8

Target B: Solve area problems.

Select all the true statements.

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Target B: Use the formula for the area of circle.

A cricle has radius of 50 cm. Which of these is the closest to its area?

Tags

CCSS.7.G.B.4

Target B: Use the formula for area of circle

A groundskeeper needs grass seed to cover a circular field, 290 feet in a diameter. A store sells 50-pound bags of grass seed. One pound of grass covers about 400 square feet of field. What is the smallest number of bags the groundskeeper must buy to cover the circular field?

• 3 bags

• 4 bags

• 6600 bags

• 20000 bags

Tags

CCSS.7.G.B.4