Identifying Lines of Symmetry

Front

What is a line of symmetry?

Back

A line that divides a shape into two identical parts that are mirror images of each other.

Front

Is this shape symmetrical? (Show a shape with a line of symmetry)

Back

Yes

Front

Is this shape symmetrical? (Show a shape without a line of symmetry)

Back

No

Front

What happens when you fold a shape along its line of symmetry?

Back

The two halves match perfectly.

Front

Can a circle have a line of symmetry?

Back

Yes, a circle has infinite lines of symmetry.

Front

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

Back

A rectangle.

Front

What is an example of a shape with two lines of symmetry?

Back

A square.

Front

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

Back

A scalene triangle.

Front

How many lines of symmetry does a butterfly have?

Back

Two lines of symmetry.

Front

What is the line of symmetry for a heart shape?

Back

A vertical line down the center.