plane shape

what is a circle?

what is a triangle?

what is a rectangle?

what is a square?

how to make a new shape?

plane shape

flat

closed shape

no openings

each point

same distance away from the center

ex)

clock

coin

button

pizza

wheel

roll

like a circle

plane shape

closed shape

three straight sides that connect

three angles

forms when two sides meet

types

sides that are all the same length

two sides that are same length

sides that are all the different length

ex)

street sign

hanger

chips

like a triangle

plane shape

closed shape

four straight sides that connect

four right angles

a side that goes straight up and down

meets side that goes straight across

ex)

dresser

book

poster

white board

opposite sides of a rectangle

the same length

closed shape

type of rectangle

four angles

four sides

the same length

ex)

windows

brownies

bathroom tiles

a pan

put shapes together