Transformations - Dilations and Scale Factor

Transformations

​

Multiple Choice

What type of Transformation is shown in the image?

• Translation

• Reflection

• Rotation

• Dilation

Multiple Choice

What type of Transformation is shown in the image?

• Translation

• Reflection

• Rotation

• Dilation

Multiple Choice

What type of Transformation is shown in the image?

• Translation

• Reflection

• Rotation

• Dilation

Multiple Choice

What type of Transformation is shown in the image?

• Translation

• Reflection

• Rotation

• Dilation

​Rigid Transformations

​Pre-image

Translation

Reflection

Rotation

​Characteristics:

Multiple Select

SELECT ALL the transformations that result in Congruent Figures!

• Translation

• Dilation

• Rotation

• Reflection

Multiple Choice

Congruent figures have the

• same shape, only

• same size, only

• same shape AND same size

Multiple Choice

Trapezoid B is the result of a rotation of trapezoid A. If the height of Trapezoid A is 2 units, What is the height of Trapezoid B?

• 1 unit

• It depends

• 2 units

​Non- Rigid Transformations

​Pre-image

​Characteristics:

Enlargement

Reduction

Multiple Choice

A dilation is which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

Multiple Choice

Similar figures have the same ______ but different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Multiple Choice

Is this dilation an Enlargement or a Reduction?

• Enlargement

• Reduction

Multiple Choice

Is this dilation an enlargement or a reduction?

• Reduction

• Enlargement

Multiple Choice

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

The orange shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

The blue shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

The orange shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

​Scale Factor

• The amount that a shape either grows or shrinks

​Pre-image

Enlargement

Reduction

By how much does this shape grow / increase in size

By how much does this shape shrink / decrease in size?

Multiple Choice

The Triangle on the left is the pre-image.

What is the scale factor?

• 4

• .25

• 5

• 6

Multiple Choice

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Multiple Choice

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Multiple Choice

• 0.25

• 0.5

• 2

• 1/2

Multiple Choice

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Multiple Choice

How is Figure F reduced to Figure B?

• Multiply each side by 1/2

• Multiply each side by 1/3

• Multiply each side by 1/4

• Multiply each side by 1/5