Dilations | Baamboozle - Baamboozle | The Most Fun Classroom Games!

S' is a dilation of S. Does this dilation have a scale factor greater than 1 or less than 1?

Greater than 1

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If we wanted to figure out the center of dilation for two triangles, how could we find it?

Draw rays through each corresponding set of vertices and see where they intersect.

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If this shape is dilated by a scale factor of 3 with a center of dilation at (0,0), what are the coordinates of C'?

(3,6)

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lifesaver

Give 5 points!

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seesaw

Swap points!

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shark

Other team loses 25 points!

Okay!

banana

Go to last place!

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A triangle is dilated by a scale factor of 1/2. How can we represent this algebraically? (x,y) ----> (_____,____)

(x,y) ----> (1/2x,1/2y)

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A dilation with a scale factor greater than 1 is called an __________

Enlargement

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What is the scale factor for this dilation?

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boom

Lose 50 points!

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gift

Win 15 points!

Okay!

gift

Win 15 points!

Okay!

lifesaver

Give 20 points!

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baam

Lose 25 points!

Oops!

gold

Win 50 points!

Okay!

fairy

Take points!

banana

Go to last place!

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seesaw

Swap points!

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rocket

Go to first place!

Okay!

fairy

Take points!

banana

Go to last place!

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If you dilate DEF with a center of dilation at (0,0) and a scale factor of 1/2, what are the coordinates of D'?

(1,3)

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A shape is dilated by a scale factor of 3. How can we represent this algebraically? (x,y) -----> (____,____)

(x,y) -----> (3x,3y)

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A triangle has points A(2,1), B(3,4) and C(5,2) and a center of dilation at (0,0). It is dilated by a scale factor of 2. What are the coordinates of C'?

(10,4)

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What is the center of dilation in this image?

(0,0)

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A dilation with a scale factor between 0 and 1 is called a ____________

Reduction

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What is the scale factor of this dilation?

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