Unit 1: Rigid Transformations and Congruence

How many degrees was the figure rotated?

• 90 degrees counterclockwise 
• 180 degrees
• 90 degrees clockwise

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CCSS.8.G.A.1

What is this picture an example of? 

• An angle
• A cat vertex 
• Rotation 
• Dilation

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CCSS.8.G.A.1

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How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right
• Translated 5 units down and 1 to the right
• Translated 8 units down and 5 units to the right
• Translated 5 units down and 4 units to the right

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CCSS.8.G.A.1

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Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

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CCSS.8.G.A.1

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Shapes that are the same shape and the same size are ________.

• similar
• unique
• congruent
• corresponding

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CCSS.8.G.A.2

Determine how to translate triangle ABC to triangle A'B'C'.

• left 2, up 9
• right 2, down 9
• left 2, down 9
• left 2, up 5

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CCSS.8.G.A.1

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A flip is also called a __________.

• rotation

• translation

• dilation

• reflection

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CCSS.8.G.A.1

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If you rotate a shape 360^o, it will look like nothing happened to the shape.

• True

• False

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CCSS.8.G.A.1

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Choose all of the transformations that are rigid, meaning they keep the shape congruent.

• Scaling up or down

• Translation

• Rotation

• Reflection

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CCSS.8.G.A.1

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When talking about figures on a coordinate plane, what does "congruent" mean?

• Same shape, same size
• Same shape, size changes
• Different shape, different size
• Same shape, different size

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CCSS.8.G.A.2