Scale Factors
Proportions
Size Matters
Dilate
Pot Luck
100
If a figure is dilated by a scale factor greater than 1, will the image be larger or smaller than the original figure?
What is the image will be larger than the original figure?
100
What is 8?
100
△ABC is dilated using a scale factor of 3. What do we know about the measure of angle B' in comparison to angle B?
What is angle B is congruent to angle B’?
100
Where is the center of dilation?
What is point O?
100
What is the scale factor formula?
What is image length divided by the corresponding pre-image length?
OR
What is new length divided by old length?
200
If a figure is dilated by a scale factor less than 1, will the image be larger or smaller than the original figure?
What is smaller than the original figure?
200
Is DE // AB?
What is YES?
200
What is the value of x?
What is 9 cm?
200
What 2 transformations are needed to map the black figure onto the blue figure? Choose from translation, rotation, reflection, and dilation.
What is a translation and a dilation?
200
Segment OH is 10 cm. If OH is dilated using O as the center and a scale factor of 3, what is the length of OH’?
What is 30 cm?
300
What is the scale factor of triangle PQR to triangle STU?
What is 1.5?
300
What is YES?
300
What is the length of AC?
What is 18?
300
Dilate triangle ABC using center D and a scale factor of 2. What are the coordinates of A’?
What is (12, 0)?
300
What is the value of B’B? The picture is not to scale.
What is 2?
400
What is the scale factor of DFE to CBA?
What is 12/5 or 2.4?
400
What is the value of a? 
What is 12?
400
What is the length of DF?
What is 6:5 or 1.2?
400
Dilate triangle ABC using center D and a scale factor of 2. What are the coordinates of C’?
What is (24, 12)?
400
Segment XY is dilated using center D and a scale factor of 2. The image, X’Y’ is on the same line as XY. What can you say about the center of dilation?
What is the center of dilation is ON segment XY?
500
What is the scale factor of Figure P to Figure Q? 
Q?
What is 0.75?
500
What is the value of b?
What is 5?
500
What is the length of A’A?
What is 14?
500
What is the scale factor of triangle ABC to triangle A’B’C’? 
What is A’B’/AB?
What is A’C’/AC?
What is B’C’/BC?
500
Segment XY is dilated using center D and a scale factor of 2. The image, X’Y’ is not on the same line as XY. We know X’Y’ will be twice the length of XY. What else do we know about segment X’Y’?
What is X’Y’ will be parallel to XY?