Symmetry

Front

What is symmetry?

Back

Symmetry is when one shape becomes exactly like another if you flip, slide, or turn it.

Front

What does it mean if a shape is symmetrical?

Back

A shape is symmetrical if it can be divided into two identical halves that are mirror images of each other.

Front

What is a line of symmetry?

Back

A line of symmetry is an imaginary line that divides a shape into two identical parts.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Front

How many lines of symmetry does a triangle have?

Back

An equilateral triangle has 3 lines of symmetry.

Front

What is an example of a shape that is not symmetrical?

Back

An irregular shape, like a starfish, is not symmetrical.

Front

Can a shape have only one line of symmetry?

Back

Yes, a shape like a rectangle has only 1 line of symmetry.

Front

What does it mean if a shape is not symmetrical?

Back

If a shape is not symmetrical, it cannot be divided into two identical halves.

Front

What is rotational symmetry?

Back

Rotational symmetry is when a shape looks the same after a certain amount of rotation.