Ratios
Unit Rates
Similar Figures
Dialations
Indirect Measurements
100

Convert this 

4oz to 2 pounds

What is 1/8


100

Turn this into a unit rate $120 for 5 days of work

$24

100

Two similar triangles have a scale factor of 2 from Triangle A to Triangle B.
If a side of Triangle A measures 7 cm, what is the measure of the side of Triangle B?

14 cm

100

A rectangle has a length of 12 cm. The rectangle is dilated by a scale factor of 1/2.

What is the length of the dilated rectangle?

6 cm

100

A statue casts a 43.5 inch shadow as a tourist casts a 32 inch shadow. If the tourist is 64 inches tall, how tall is the statue?

87 in

200

compare these with greater than less than or equal to

6 case for $48.      14 case for $88

What is less than


200

A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?

What is 60 mph

200

Square A has a perimeter of 16 cm. Square B is similar to it with a scale factor of 2. What is the perimeter of Square B?

 32 cm

200

A square has a perimeter of 20 cm. It is dilated by a scale factor of 2.5.

What is the perimeter of the new square?

50 cm

200

A lamppost casts a shadow of 8 meters. A 1.6-meter-tall person standing nearby casts a shadow of 2 meters. 

What is the lampposts height?

6.4 m

300

What’s the better buy 4 shirts for 20 dollars or 6 shirts for 24 dollars


What is 6 shirts for 24 dollars


300

A runner runs 5 miles in 40 minutes. What is the runner’s speed in miles per minute?

5 miles ÷ 40 minutes = 0.125 miles per minute
(1/8 mile per minute)

300

Triangle A and Triangle B are similar.
A side of Triangle A is 10 cm and the side of Triangle B is 15 cm.
Another side of Triangle A is 8 cm.
What is the length of the side of Triangle B?

12 cm

300

A triangle has a side length of 8 cm, and after dilation, the corresponding side is 20 cm.

Find the scale factor

20/8 or 2.5 or 2 1/2

300

A 1.75-meter-tall person casts a shadow of 2.4 meters. At the same time, a tree casts a shadow of 9.6 meters. 

What is the height of the tree?

7 m

400

express the fraction  in simplest form  

2lbs.  To. 6oz

16/3

400

A plane travels 1,500 miles in 2.5 hours. What is its speed in miles per hour?

1,500 miles ÷ 2.5 hours = 600 miles per hour

400

Two triangles are similar.
One angle in a triangle measures 42°.
What is the angle in the second triangle?

42° (They are congruent)

400

Triangle ABC has the coordinates:

 A (2, 1) B. (4, 3) C. (3, 5)

The scale factor is 0.5

Find the new coordinates

A (1, 0.5) B. (2, 1.5) C. (1.5, 2.5)

400

A stick is 1 1/4 meters tall and casts a shadow of 0.75 meters. A tower casts a shadow of 11.25 meters.

What is the height of the tower?

18.75 m

500

Express each ratio as a fraction in simplest form

6ft to 14 inches

36/7

500

Two students read at different paces:

Student A reads 45 pages in 90 minutes.

Student B reads 60 pages in 120 minutes.
Who reads the fastest, or do they read at the same pace?

They read at the same pace

Student A: 45 ÷ 90 = 0.5 pages per minute

Student B: 60 ÷ 120 = 0.5 pages per minute

500

Two similar pentagons have a scale factor of 3/2 from the smaller to the larger pentagon. If the smaller one perimeter is 24 cm, what is the larger pentagon's perimeter?

36 cm

500

A square has a side of 4 cm. It's dilated by a scale factor of 3.

 a. Find the side length of the dilated square. 

 b. Find the perimeter of the dilated square.

a. 12

b. 48 cm


500

A 1.6 meter tall building casts a shadow of 2.3 meters. Another building casts a shadow of 18.4 meters.

What is the height of the building?

12.8 m