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Radial Symmetry

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**Is there a way to study math and art at the same time?**

Jasper Johns “Numbers in Color”

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**How does this piece incorporate math and art?**

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He used a pattern. Jasper Johns painted numbers.

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**There are other ways of using math and art together…**

Let’s talk about Symmetry! What is Symmetry?

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Symmetrical: When two halves of an object are mirror images of each other.

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**This flower is symmetrical.**

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**It can be divided in half, and both sides are the same.**

The red line is the line of symmetry.

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**Lots of shapes are symmetrical…**

Rectangle Trapezoid Circle Hexagon Isosceles Triangle

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**Can you identify the line of symmetry in the following images?**

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**Some objects have more than one line of symmetry…**

These flowers have rotational symmetry, too! This means, that you can rotate them, and they will still look the same.

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Radial Symmetry With rotational (or radial) symmetry, instead of an object being symmetrical over a line, it is symmetrical around a point. You can turn the object and it looks the same.

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**This star has radial symmetry.**

You can turn it, and it still looks the same!

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**This piece of artwork has radial symmetry.**

You can turn it, and it still looks the same!

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**What else has radial symmetry?**

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Pizza

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**A stop sign shape (octagon)**

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A Wheel

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**Today, we are going to make our own designs using radial symmetry!**

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Let’s get started!

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