Lines of symmetry

Front

What is a line of symmetry?

Back

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

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a rectangle have?

Back

A rectangle has 2 lines of symmetry.

Tags

CCSS.4.G.A.3

Front

How many lines of symmetry does a triangle have?

Back

An equilateral triangle has 3 lines of symmetry, while an isosceles triangle has 1.

Tags

CCSS.4.G.A.3

Front

Can a shape have no lines of symmetry?

Back

Yes, some shapes like a scalene triangle have no lines of symmetry.

Tags

CCSS.4.G.A.3

Front

What is the line of symmetry for a vertical rectangle?

Back

The line of symmetry for a vertical rectangle is a vertical line that divides it into two equal halves.

Tags

CCSS.4.G.A.3

Front

What is the line of symmetry for a horizontal rectangle?

Back

The line of symmetry for a horizontal rectangle is a horizontal line that divides it into two equal halves.

Tags

CCSS.4.G.A.3

Front

Do all shapes have lines of symmetry?

Back

No, not all shapes have lines of symmetry.

Tags

CCSS.4.G.A.3

Front

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

Back

An example of a shape with one line of symmetry is an isosceles triangle.

Tags

CCSS.4.G.A.3