Display the Photos of 5- , 6- , and 8-sided Shapes.
*Photos of 5 - , 6 - ,
Point out that some, such as the sea star have 5 distinct
parts (i.e., legs) while others, such as the pedestrian crossing sign, have 5 sides and corners (vertices).
and 8-sided shapes
The honeycomb from a bee hive and the hexagonal pattern
block have 6 sides and corners (vertices).
VOCABULARY
PENTAGON – a polygon
with 5 sides.
The flower has 8 distinct parts (i.e. petals)
while the stop sign has 8 sides and corners (vertices).
Have students brainstorm any other shapes they might have
seen that have pentagonal, hexagonal or octagonal attributes. They can look
around the classroom for ideas.
REGULAR PENTAGON
– a polygon with 5 sides
of equal length.
HEXAGON – a polygon
with 6 sides.
REGULAR HEXAGON –
a polygon with 6 sides of
equal length.
OCTAGON – a polygon
with 8 sides.
REGULAR OCTAGON –
a polygon with 8 sides of
equal length.
PATTERN – a repeating
design or sequence.
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