Go Math Chapter 12: Mid Chapter

What are these shapes called?

• triangles

• quadrilaterals

• pentagons

• octogons

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CCSS.2.G.A.1

What is this shape called?

• triangle

• quadrilateral

• pentagon

• octogon

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CCSS.2.G.A.1

An octagon has _____ sides and angles.

• 4

• 3

• 8

• 10

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CCSS.2.G.A.1

True or false: A decagon has 9 sides and angles

• True

• False

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CCSS.2.G.A.1

Is this shape open or closed?

• Open

• Closed

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CCSS.4.G.A.1

Quick! Pick an ocean animal.

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True or False: Polygons CAN include open shapes.

• True

• False

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CCSS.2.G.A.1

A pentagon has 5 sides and _____ angles

• 3

• 5

• 4

• 6

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CCSS.2.G.A.1

Which image below is NOT a polygon?

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• 
• 

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CCSS.2.G.A.1

How many sides and angles does this shape have?

• 5

• 6

• 4

• 8

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CCSS.2.G.A.1