Symmetry

Front

What is symmetry?

Back

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

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 rectangle have?

Back

A rectangle has 2 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, while an isosceles triangle has 1.

Front

What shape has no lines of symmetry?

Back

An irregular shape has no lines of symmetry.

Front

How can you find a line of symmetry in a shape?

Back

You can find a line of symmetry by folding the shape in half and seeing if both sides match.

Front

What is rotational symmetry?

Back

Rotational symmetry is when a shape can be rotated around a center point and still look the same.

Front

How many degrees can a shape with rotational symmetry be rotated?

Back

It depends on the shape; for example, a square can be rotated 90 degrees.