Think of things that can be divided in half equally. A piece of
paper can be folded down the middle.
The fold line formed is called a line of
symmetry. It is called this because each side is equal or congruent.
When a shape can be divided into two equal parts it is symmetrical.
This
circle is symmetrical.
It can be divided in half equally.
It has a line of symmetry.
This
square is symmetrical.
It can be divided in half equally.
It has a line of symmetry.
Look at the objects below. Are they symmetrical? Do they have a line of
symmetry? Yes or No.
OBJECT
SYMMETRICAL?
YES or NO?
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
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Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.
Look for a line of symmetry.