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Circumference in Real World

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Circumference in Real World
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

11.32 ft

12.25 ft

10.99 ft

8.75 ft

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

My dog's food bowl has the following measures:
Diameter=8 inches
Radius=4 inches
Circumference= ?
What is the circumference? 

201.06 inches

12.57 inches

50.27 inches

25.13 inches

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

15π

20π

40π

30π

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

c = 15π

c = 2π15

c = π(15²)

c = π(7.5²)

Tags

CCSS.7.G.B.4

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

The circumference of the moon is the approximate distance around a circle with a radius 1,736 kilometers. Find the circumference of the moon. Use 3.14 for pi and round to the nearest tenth!

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

An architect is making a plan for a new circular playground. If the picture below is the playground, how much fencing needs to go up to keep the kids in the circle? Use 3.14 for π.

3,215 m

201 m

402 m

100 m

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The radius of a birthday cake is 4 inches. Icing will decorate the circumference of the cake. What procedure can be used to find the approximate circumference of the cake? Use 3.14 for π.

Multiply 4 by 3.14.

Multiply 4 by 2, and then multiply the product by 3.14.

Multiply 4 by 4, and then multiply the product by 3.14.

Divide 4 by 2, and then multiply the quotient by 3.14.

Tags

CCSS.7.G.B.4

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