The Best Shape To Be

Our class is starting the next math unit on Geometry.  This is one of my favorite units to teach because there are so many fun lessons centered around shapes.
I can't think of a better way to start out the geometry unit than by reading, "The Greedy Triangle" by Marilyn Burns.

This is a cute story about a triangle who is always looking to be something better than he is. "Just one more side, and one more angle" will make him happy. So he thinks...

After reading the story we spent some time making a list of all the shapes that the triangle becomes. We also brainstormed what would be best about being that shape. For example being a rectangle would be the best because you could be a yummy ice cream sandwich.  A hexagon would be best because you could be a trampoline.  We had some trouble coming up with real world shapes for some of them but used our iPads to do a quick google image search and found so many more ideas.

I love being able to tie in Language Arts (especially writing) into Math lessons so I came up with this little writing activity that goes along with our unit on Persuasive/Opinion writing.  It begins like this

"Hello Shapeshifter make me a _________. In my opinion a  ______ is the best shape to be."

The students really had fun with this.  They were able to support their opinion with three reasons/examples and details to support.  

We then made our little shape man to go with our writing.

They add a little life to the hallways....

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