Lesson 27

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​Diameter - Distance Across a circle

Radius - The distance from the center to the circle (Radius is half of the diameter)

Circumference- Distance around the circle​

Multiple Choice

What is the distance around the edge of a circle called?

• Radius

• Centre

• Diameter

• Circumference

Multiple Choice

What is the distance from the centre of the circle to the outer edge is called?

• Radius

• Centre

• Diameter

• circel

Multiple Choice

If the radius was 5 how much is the diameter?

• 8

• 10

• 15

• 20

Multiple Choice

How much is the radius?

• 42

• 84

• 21

• 420

Multiple Choice

How much is the diameter

• 8

• 4

• 12

• 24

Multiple Choice

How much is the diameter?

• 8

• 16

• 80

• 40

Multiple Choice

If the diameter was 20 then how much is the radius?

• 20

• 10

• 80

• 40

Multiple Choice

How much is the radius?

• 100

• 500

• 150

• 25

Multiple Choice

If the radius was 179 then how much is the diameter?

• 258

• 200

• 179

• 358

Multiple Choice

If the diameter was 158 then how much is the radius?

• 79

• 158

• 316

• 246

​Grab a compass

Sheet of paper

1. draw a circle with the radius 2 in

2. Draw a circle with the radius 3 cm

3. Draw a circle with the radius 1 3/4 in ​