Calculations with Pi

Use the circle to match the following

• 3.14

• Radius

• 10

• Diameter

• 5

• Pi

What is shown here

• Diameter

• Radius

• Triangle

What is the radius of this circle?

• 20

• 5

• 10

• 40

Match the following

• 15.707

• 3 x 5

• 15.71428

• π x 5

• 15.7

• (22/7) x 5

• 15

• 3.14 x 5

Match the following

• 192.168

• π x 61.2

• 183.6

• (22/7) x 61.2

• 192.3428

• 3 x 61.2

• 192.2654

• 3.14 x 61.2

Match the following

• 3.14

• 3 x 1

• 3.14159

• (22/7) x 1

• 3.1428

• π x 1

• 3

• 3.14 x 1

Round 3.1416 to the nearest hundredths place.

• 3.142

• 3.14

• 3.1

• 3

• 1.05

• 1.04

• 3.14

• 104