Geome"tree"

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Archive : 2002 : December : 4

Geome"tree"
By Carolyn

My students are creating a "Geome"tree." Each morning when they come into school, they contribute something geometric to the tree I have posted to the wall outside of the classroom. Yesterday, they created shapes with rotational
symmetry. They decorated the lines of symmetry with glitter after they had drawn them. Today, they created trapezoids, parallelograms, etc. with small pieces of wrapping paper. Our tree is starting to look great! Of course, it is symmetrical, too. Christmas is a great time of year to do geometry, because there are so many fun things to do.
Tomorrow (if we have school--bad

weather today!) we will use real candy canes as models to illustrate reflections, rotations, and translations. They'll position them onto construction paper after coloring the canes. These will go out into the hallway, too.