All About Circles

Fill in the blanks to complete the statement:
In the circle, the diameter is ​ (a)   inches and the radius is ​ (b)   inches.

• 24
• 3
• 72
• 12
• 6

Tags

CCSS.7.G.B.4

Fill in the blanks to complete the statement:
In the circle, the diameter is ​ ​ (a)   inches and the radius is ​ ​ (b)   inches.

• 28
• 3.5
• 14
• 7

Tags

CCSS.7.G.B.4

Match each circle to its corresponding diameter and radius.

• r: 6

  d: 12

• 
• r: 8.5

  d: 17

• 
• r: 12

  d: 24

• 
• r: 1.5

  d: 6

• 

Tags

CCSS.7.G.B.4

Use your notes to match the vocabulary work to their definition.

• the ratio of the circumference of a circle to its diameter

• pi

• distance across a circle through its center

• diameter

• distance from the center to the edge of a circle

• circumference

• distance around the edge of a circle

• radius

A circle has a diameter of 10 and a circumference of approximately 31.4 cm. Ms. Blancarte wants to find the area of this circle. Drag a value from below to complete the area equation of this circle.

a

5

50

10

Tags

CCSS.7.G.B.4

A circle has a radius of 8.5 cm and a diameter of 17 cm. If Mr. Williams want to find the area of this circle, drag a value from below to complete the equation.

b

17

8.5

144.5

Tags

CCSS.7.G.B.4

A circle has an area of 7.065 squared centimeters and a radius of 2.25 cm. If Ms. Johnson wants to find the circumference of this circle, drag and drop a value from below to complete the equation.

c

7.065

2.25

4.5

Tags

CCSS.7.G.B.4

A circle has a radius of 15 in and a diameter of 30 in. If Ms. Hernandez wants to find the circumference of this circle, drag and drop a value from below to complete the equation.

b

15

30

450

Tags

CCSS.7.G.B.4

• Circumference

• d

• pi

  (3.14 or 22/7)

• 
• diameter

• C

Tags

CCSS.7.G.B.4

• radius

• A

• pi

  (3.14 or 22/7)

• 
• area

• r

Tags

CCSS.7.G.B.4