Equal Sign
Ruler
Changes
Same or Different?
100

What do you call angles that are equal & similar

congruent angles

100

the ratio of the length of the model to the corresponding length of the actual object.

scale

100

Transformation that enlarges or decreases the size of a figure

dilation 


100

If two polygons are similar polygons then....

....the corresponding angles are congruent and the lengths of corresponding sides are in proportion.

200

an equation stating that two ratios are equal.

Proprtion

200

 a model similar to the actual object it represents

scale model


200

To dilate to a larger size

enlargement 


200

These have the same shape but not necessarily the same size

Similar figures

300

Multiplying diagonally 

cross products 


300

The ratio of a length in the image to the corresponding length in the original figure

the scale factor.

300

Another word for making smaller

reduction, reduce, decrease 

300

A number used to change one set of units to another, by multiplying or dividing

conversion factor 


400

Spin

Rotation

400

 a ratio that compares quantities measured in different units, such as miles to gallons or feet to seconds

rate 

400

uses proportions and similar triangles to measure distances that would be difficult to measure directly.

indirect measurement 

400

- 24 is what kind of number?

Real, integer, rational 

500

There are 9 kittens in total. 4 kittens were adopted. The ratio is 4/5. What type of ratio is this?

Part-to-Part Ratio

500

the rate for one unit of a given quantity.

unit rate

500

Silde

Translation

500

Pi is what kind of number?

irrational