Symmetry Lesson

Symmetry 2.12ab
I can identify and create figures with at least one line of symmetry.

A line of symmetry divides a figure into two congruent (the same) parts each of which is the mirror image of the other. Look at these images below to see how both sides look the same

A line that splits a shape into two parts, that are the same size and the same shape, is called a line of symmetry

Multiple Choice

A line that splits a shape into two parts that have the same size and shape is called a______

• dotted line

• cinnamon

• line of symmetry

We see lines of symmetry in letters, shapes, and in nature

Not all objects have a line of symmetry.

One side of these objects does not exactly match the other side so they do not have a line of symmetry

Multiple Choice

This has a line of symmetry

• True

• False

Some objects have more than one line of symmetry.

Draw

Can you draw a line of symmetry on the object?

Categorize

Options (8)

star

umbrella

pentagon

dolphin

pencil

leaf

apple

window

Organize these options into the right categories

Symmetric

Not Symmetric