Ratios and Proportions

Write Ratios

100

Write a ratio for this situation. 1 duck for every 6 geese

1:6

200

Write a ratio for this situation. 5 reds for every 2 blue

5:2

300

Write a simplified ratio for this situation. 8 boys and 8 girls in a class

1:1

400

Write a simplified ratio for this situation. 9 cats for every 13 birds

9:13

500

Write a simplified ratio for this situation. 26 foot bones for every 54 hand bones

13:27

Unit Rates

100

Write a unit rate for each given rate. 18 miles in 12 hours

1.5 mi/hr

200

Write a unit rate for each given rate. 8 miles in 5 hours

1.6 mi/hr

300

Write a unit rate for each given rate. 10 miles in 4 hours

2.5 mi/hr

400

Write a unit rate for each given rate. $11.79 for 3 T-shirts

$3.93/T-shirt

500

Write a unit rate for each given rate. $3.25 for 12 oz of M&Ms

$0.27/oz.

Solve Proportions

100

Find the missing value. 2:p = 16:40

p = 5

200

Find the missing value. 10:35 = c:7

c = 2

300

Find the missing value. w:9 = 10:45

w = 2

400

Find the missing value. Billy Bob's recipe says he needs 2 eggs to make 8 pancakes. He has 5 eggs; how many pancakes could he make?

20

500

Find the missing value. a:0.5 = 20:4

a = 2.5

Scales and Models

100

The scale for a blueprint is 1 in:8 ft. If the length of a room is 3 in. on the drawing, how long is the real room?

24 feet

200

The scale for a blueprint is 1 in:8 ft. If the length of a room is 4.5 in. on the drawing, how long is the real room?

36 feet

300

The scale for a blueprint is 1 in:8 ft. If the length of a room is 2.6 in. on the drawing, how long is the real room?

20.8 ft

400

The scale model of a building is 30 cm tall. The real building will be 240 m tall. What is the scale of the model:building?

1 cm: 8 m

500

The scale model of a building is 30 cm tall. The real building will be 240 m tall. What is the scale of the model:building without units?

1:800