Today we will be learning  about two dimensional shapes but all of you guys should know what they are so i want you guys to teach me.

what?

ah ah!

teacher teacher where are you?

me three but was that!

me too !

man that scared me!

right here!

I'll teach him  what two dimensional shapes are first!

hurry tell it about two dimensional shapes!

two dimensional shapes have:  vertices corners of the shape where two line segments meet!

stop please!

my turn: sides: line segments that connect end-to-end.