Reasoning with two-dimensional shapes and their attributes

What is the base of this parallelogram ?

• 5 cm

• 35 cm

• 7 cm

• 15 cm

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CCSS.1.G.A.1

CCSS.2.G.A.1

What are the attributes of a triangle?

• 4 sides, 4 corners, and 4 angles.

• 3 sides, 4 corners, and 4 angles

• 5 sides, 5 corners, and 5 angles

• 3 sides, 3 corners, and 3 angles

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CCSS.1.G.A.1

CCSS.2.G.A.1

How well did you understand this lesson?

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CCSS.1.G.A.1

CCSS.2.G.A.1

Which shape has 4 corners/vertices?

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CCSS.1.G.A.1

CCSS.2.G.A.1

Which are quasrilaterals?

• circle, square,

• square, rectangle

• hexagon, triangle

• rectangle, pentagon

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CCSS.1.G.A.1

CCSS.2.G.A.1

Name the shape. 

• Pentagon
• Hexagon
• Square
• Trapezoid

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CCSS.1.G.A.1

CCSS.2.G.A.1

David draws 4 octagons. How many sides did he draw in total?

• 4

• 8

• 48

• 32

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CCSS.1.G.A.1

CCSS.2.G.A.1

I am a closed, flat shape. Some people call me 2-Dimensional. What shape am I?

• Polygon

• Plane Shape

• Rectangle

• Solid Shape

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CCSS.1.G.A.1

CCSS.2.G.A.1

Which shape has the least vertices?

• triangle

• octagon

• quadrilateral

• pentagon

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CCSS.1.G.A.1

CCSS.2.G.A.1

Which is correct?

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CCSS.1.G.A.1

CCSS.2.G.A.1