Monday, February 28, 2011

Tutorials: Identifying Quadrilaterals!

In our polygon unit we are learning about four-sided figures called


Many people were confused about why some shapes have more than one name. Here are some tutorials to help you learn about quadrilaterals.

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What is a parallelogram?

Here is an interactive parallelogram.

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What is a rectangle?

Here is an interactive rectangle.

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What is a rhombus?

Here is an interactive rhombus.

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What is a square?

Here is an interactive square.

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Maybe you'd like to watch the Polygon Movie again and meet these quadrilaterals in person!  

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Have you used our quadrilateral tutorials? 

Which tutorial helped the most?


  1. I think all the videos are fantastic! They are clear and very well presented. My favorite part was using straws (I think they were straws..?) to outline the parallel lines. Very clever! I'm going to use your videos for our classtime tomorrow. Thank you very much for taking the time to put this together, and for doing it so well!

    Ms. Tatiana

  2. Dear Mrs Yollis and your wonderful students,

    Thank you for another wonderful post identifying quadrilaterals.

    BB, is studing all these shapes at this very moment with her dad and I have to say I cannot wait for her to arrive home from school to get her to watch your video.
    Your video is great and explains it so well.

    You are all super shapes in my eyes.

    From your blogging buddy,

  3. Dear Mrs. Yollis Class
    We really enjoyed watching your videos. We are getting ready to take our state TAKS test soon and we think your videos will be a helpful review. We are in San Antonio, Texas and would love for you to visit our blog.
    Hope to hear from you soon.
    Mrs. Davis' class 5th Grade

  4. Dear Mrs.Yollis,

    We are really exited that we are learning about shapes.
    It's fun learning about polygons.
    Finn's favorite shape is the trapezoid. Ben's favorite is the square. Tucker's favorite is the rectangle.

    Ben, Finn,and Tucker

  5. Dear math masters,

    What a great tutorial! I love the way that you put together different videos so we could learn about different types of quadrilaterals in each one!

    We just talked reviewed different types of polygons in class today. I'm going to share this with my class tomorrow to show them what wonderful work you do and to help review even more!

    Thank you for another great post!

    Your blogging pal,
    Mr. Avery
    Plympton, Massachusetts

  6. That is cool!!! How do your students get so smart?

    Mrs. Yollis, thanks for the comment on komodo dragons.


  7. This is the first time I have visited your blog. I was so pleased to see your support on quadrilaterals as we are doing this in my school, all the way across the world in Nrth Yorkshire UK. Thank you very much!

  8. Dear Mrs. Yollis,

    In fifth grade, accelerated math, we are learning about geometry as well! What is your favorite polygon? My favorite polygon is a nonagon. (a figure with nine sides) I learned a new one today! It is called a dodecagon. It has twelve sides.

    Your former blogger and student :-)


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