Lines of Symmetry

What makes a shape symmetrical?

• when one shape is exactly opposite a different shape

• when the shape can be folded along a line into matching parts

• when one shape becomes exactly like another if you slide it

• figures cannot be symmetrical Ms. Barkley!!

Can a shape have more than one line of symmetry?

• No

• Yes

How many lines of symmetry does the picture have? 

• 0 lines of symmetry

• 1 line of symmetry

• 2 lines of symmetry

• 4 lines of symmetry

• A
• B
• C
• D

How many lines of symmetry does this shape have?

• 2

• 4

• 6

• 8

How many of these shapes have EXACTLY ONE line of symmetry?

• 0

• 3

• 6

• 8

• A
• B
• C
• D

How many lines of symmetry does this shape have?

• 1

• 2

• 4

• 6

How many lines of symmetry does this shape have?

• 1

• 2

• 3

• 4

A circle has ______ number of lines of symmetry

• 4

• 5

• 6

• infinite / countless