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

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This game reviews dilations in math: center of dilation, scale factor, naming coordinates

Study Slideshow

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

Enlargement

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

Reduction

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)

What is the scale factor of this dilation?

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)

What is the scale factor for this dilation?

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

Greater than 1

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)

What is the scale factor?

1/2

What is the scale factor?

What is the diameter of the image?

What are the TWO variables that can be used to represent the scale factor?

k and r

What is the difference between similar and congruent?

Congruent-same size and same shape; Similar-same shape and proportional sides

True or False: When you dilate a figure, the angle measures change.

False

What is the scale factor?

When a shape is dilated, the sides are ______________________.

Proportional