🔤 Early Learning

Circles, Squares and Triangles

Ages 3–5

You will learn

Name a circle, a square and a triangle, and count their sides and corners.

Before you start

Counting to 4.

Quick answer

A circle is round with no corners. A square has 4 straight sides that are all the same length and 4 corners. A triangle has 3 straight sides and 3 corners.

Let’s learn

Shapes are all around us. Here are three to start with.

⚪ Circle

A circle is round. It has no straight sides and no corners. Things shaped like a circle: a plate, a coin, the sun in a drawing.

🟦 Square

A square has 4 straight sides, all the same length, and 4 corners. Things shaped like a square: some crackers, a window pane, a chess board.

🔺 Triangle

A triangle has 3 straight sides and 3 corners. Things shaped like a triangle: a slice of pizza, a sandwich cut corner to corner, a road sign.

Count with me

Point to each corner of a square and count: 1, 2, 3, 4. Now try a triangle: 1, 2, 3!

Check what you know

Choose an answer, then press Check. You can try again if you need to.

  1. 1 How many sides does a triangle have?
  2. 2 Which shape has no corners?
  3. 3 Which shape has 4 sides that are all the same length?

Try this next

Shape hunt! Find something round like a circle, something like a square, and something like a triangle in your home.