Did You Know?

The Earth is like a big circle!

What is the Radius?

The radius is the line to the edge.

What is the Diameter?

The diameter goes across the whole circle.

What Circles Do

Circles can roll, like a wheel.

They can hold things, like a plate.

Circles can be fun to draw!

They can be found in nature, too.

Circles help us make cool things.

They are used in games and sports.

More About Circles

Circles have been around for a long time. People have drawn them for many years. They are easy to make with a round tool. Many old things, like coins, are circles.

We see circles every day. Wheels on cars are circles. Plates and cups are also round. They help us in our lives.

In the future, we will still use circles. They will help us with new machines. Circles will always be a fun shape!

How Topics Connect

graph TD A["Circle"] --> B["Centre"] A --> C["Radius"] A --> D["Diameter"] A --> E["Disc"] C --> F["Distance from Centre"] D --> G["Line Segment"]

What Do These Words Mean?

circle:A round shape where every point is the same distance from the center.
centre:The middle point of the circle.
radius:The distance from the center to any point on the circle.
diameter:A line that goes through the center and connects two points on the circle.
disc:The area inside the circle.