Symmetry- Grade 3

Front

What is symmetry?

Back

Symmetry is when a shape can be divided into two identical parts 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 equal 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 happens when you fold a shape along its line of symmetry?

Back

The two halves of the shape will match perfectly.

Front

Can a shape have more than one line of symmetry?

Back

Yes, some shapes can have multiple lines of symmetry.

Front

What is an example of a shape with only one line of symmetry?

Back

A rectangle has 1 line of symmetry.

Front

What is an example of a shape with no lines of symmetry?

Back

An irregular shape, like a random polygon, may have no lines of symmetry.

Front

Is a butterfly symmetrical?

Back

Yes, a butterfly is symmetrical because its wings are mirror images of each other.