Definition
Corresponding Sides
Area
Scale Factor
Using Scale
100

How do you solve to determine if 2 ratios are equivalent?

What is cross multiply or simplify the ratios

100

Triangle ABC is similar to triangle GHI.  Which side corresponds to side BC?

What is side HI

100

What is the area of the rectangle that is 12 ft by 5 ft?

You must use the correct units!

What is 60 square feet

100

You have a triangle with sides of 2 in, 4 in, and 3 in. What would the new sides be with a scale factor of two?

What are 6 in, 8 in, and 10 in

100

A map uses the scale 1 inch: 7 miles.  The distance on the map is 5 inches. What is the actual distance represented by the map?

You must use the correct units!

What is 35 miles

200

What do two shapes have to be to be similar?

What is the same shape

200

Rectangle DEFG is similar to Rectangle MNOP.  Which side corresponds to side DE?

What is side MN

200

What is the area of a triangle with a base of 14 inches and a height of 5 inches?

You must use the correct units!

What is 35 square inches

200

What are new sides if the scale factor is 12?

What are 48cm, 72cm, and 84cm

200

A scale drawing of your house uses the scale 1 cm: 3 feet.  If the actual measure of the porch is 39 feet, what will the measurement be on the scale drawing?

You must use the correct units!

What is 13 cm

300

What is true about the angles of similar figures?

What is corresponding angles are equal

300

Parallelogram TUVW is similar to parallelogram CDEF.  Which side corresponds to side CF?

What is side TW

300

A rectangle has an area of 56 square inches and a base of 8 inches.  What is the height of the rectangle?

You must use the correct units!

What is 7 inches

300

You have a new triangle of A'B'C' with side lengths of 15, 16, 20. What would the original sides be if the scale factor was 2?

What are 7.5, 8, and 10

300

A scale model of a boat uses a scale of 1inch: 2 feet.  What is the actual size of the boat if the model boat is 20 inches long?

You must use the correct units!

What is 40 feet

400

What is an equivalent fraction to 4/7?

What is 8/14, 12/21, 40/70

400

Pentagon CDEFG is similar to pentagon PQRST.  Which side corresponds to side EF?

What is RS

400

Draw a picture of a rectangle with an area of 64 square feet.


What is a rectangle with measurements of 1ft by 64ft, 2ft by 32ft, 4ft by 16ft, 8ft by 8ft

400

Triangle ABC has side lengths of 5, 7, and 8.  Your new triangle A'B'C' has side lengths of 2.5, 3.5, and 4. What scale factor was used to get the new triangle?

What is a scale factor of 0.5 or 1/2

400

You take a photograph of Mount Monadnock (a mountain in NH).  Monadnock is about 3000 feet high.  If the photo scale is 1 mm: 200 feet, what is the measure of the mountain in the photo?

What is 15 feet

500

What is true about the sides of similar figures?

What is corresponding sides are proportional

500

Rectangles BDEF and PSTR are similar.  Name a pair of corresponding sides.

What is : Possible answers...

BD and PS, DE and ST, EF and TR, or BF and RP

500

Draw a triangle that would have an area of 20 square inches.

Picture must show units!

See picture

500

You have a triangle with sides 6, 8, 10. What are the new side lengths if you use a scale factor of 3.6?

What are 21.6, 28.8, and 36?