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Math and Straws

Here is a couple of great ways to use straws and pipe cleaners to teach geometry.  I have students create snowflakes and then discuss symmetry.  To teach how to find the diagonal of the rectangular prism, have students create a 3-4-5 prism and then cut paper triangles to fit inside the prism.  They can then prove to themselves that d = sqrt(l^2 + h^2 + w^2)!!!!!!!   Enjoy!!!!

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5 comments:

  1. I love your blog! I’ve been following it for a while now and decided to nominate it for the Liebster Award. Head over to my blog to see what that entails!

    Jamie
    MissMathDork

    ReplyDelete
  2. Thanks for the idea. I have been trying to find a way to help students with this concept.

    Caryn

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  3. This is great! Can't wait to use these in my classroom! I also use pipe cleaners to demonstrate the triangle inequality theorem. Thanks for sharing:)

    Lisa
    @theedtechchick

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  4. Yes that's great! I also use it for the hinge theorem.

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  5. This is so creative!

    I teach ELA (secondary) but love this! I am your newest follower.

    Colleen

    berginsclassroom.blogspot.com

    ReplyDelete