Area and Circumference in Pi

A park is shaped like a circle. Students determine that to walk along the diameter of the park you would need approximately 76 steps. How many steps would be needed to walk along the outside of the circle?

Tags

CCSS.7.G.B.4

Stephanie painted a circular plate in potter class. The circumference of her plate is 3π units.  What is the area of her plate?

Tags

CCSS.7.G.B.4

Alyssa wants to tie a ribbon around a basketball.  She needs enough ribbon to wrap around the basketball and 20 inches extra to tie the bow.  The basketball has a 4.2 inch radius.  How many inches of ribbon will she need?

Tags

CCSS.7.G.B.4

The diameter of Mickey’s Fun Wheel in Disneyland is 45.45 meters.  What is the circumference of the Fun Wheel?

Tags

CCSS.7.G.B.4

A street is 125 meters long.  Jackson will ride his bike down the street.  A tire on Jackson’s bike has a diameter of 0.7 meters. How many times will the tire turn to cover the length of the street?

Tags

CCSS.7.G.B.4

What is the area of the circle below?

Tags

CCSS.7.G.B.4

A group of students stood in a circle to play a game. The circle had a diameter of 13 meters. Which measurement is closest to the circumference of the circle in meters? 

Tags

CCSS.7.G.B.4

The Swan family installs an aboveground pool. The circular pool covers about 78.5 square feet of lawn in the backyard. What is the length, in feet, of the edge of the pool? Use π≈3.14

Tags

CCSS.7.G.B.4

What is the area of this circle? Use 3 for pi and choose the answer that is the closest.

• 82.13 m²

• 78.50 m²

• 314.16 m²

• 170.12 m²

Tags

CCSS.7.G.B.4

Find the circumference of the circle. Use 3 for pi and choose the answer that is the closest.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.7.G.B.4