## Friday, March 7, 2014

### Video Tutorials: What Are Quadrilaterals?

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

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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. Dear Mrs. Yollis and Class,

I have been teaching my third grade students about quadrilaterals and came upon this blog entry. I LOVE the videos you made! Some of my students have been confused about the fact that some shapes can have a few names, so I plan on showing them the videos you created.

Thank you!

-Miss Byron

1. @ Miss Bryron,

Thank you so much for your kind compliment. Quadrilaterals are quite confusing! We know them all by one name, but they fall into other categories as well.

Happy sorting!
Mrs. Y♥llis

2. Dear Mrs. Yollis,

We know all of these quadrilaterals, but what happened to the trapezoid? As a sub-video, the trapezoid has one parallel side. Only two sides are equal to each other. Is that why it didn't make it to the video?

Our favorite quadrilateral is the SQUARE! She likes it because all of the angles are 90 degree angles, and they are all of the videos that you posted on your post. What quadrilateral do you like?

Sincerely,
Heather and Keira

3. Dear Mrs. Yollis and grade 3 students,

First of all I want to tell you how much I enjoy your blog! I have been a big fan for a few years now and am always inspired to try similar ideas in my third grade class in Ontario, Canada.

I really liked your tutorials about quadrilaterals and plan to use them during our polygon unit we have just started. Super job boys and girls..you were pros!

Thanks so much for sharing your knowledge.

Sincerely,

Mrs. Sekerak

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