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Ratios
Unit Rates
Solve
Scale Proportions
Vocabulary Terms
100
The ratio to describe 5 blue crayons and 3 red crayons.
What is 5:3?
100
The unit rate for a car that travels 200 miles in 4 hours.
What is 50mph?
100

If 3 pencils cost $1, how much would 15 pencils cost?

$5

100

Hannah walks to 8 miles to school every day.  Her map says that the school is two inches away from her house.  What is the scale model that is used for the map?

1inch=4miles?

100
A comparison of two numbers.
What is a ratio?
200
The ratio of girls to boys, if there are 13 boys and 17 girls.
What is 17:13?
200
The hourly rate for a teenage who earns $45 for 5 hours.
What is $9/hr.?
200

If 5 apples cost $2, how much would 25 apples cost?

$10

200

The flagpole outside of school is 45 feet tall.  The scale model used is 1 in.=9ft.  How tall is the model flagpole?

5 inches

200

Two ratios that are equivalent.

What is a proportion?

300
The ratio of triangles to all blocks, if there are 4 rectangles, 6 triangles, and 12 squares.
What is 3:11?
300

What is the unit rate for driving 210 miles in 3 hours?

70 mph

300

If 12 bananas cost $20, how much would 3 bananas cost?

$5

300

A tree is drawn using the scale 1 cm=6ft.  If the tree is 15 cm in the drawing, what is the actual height of the tree?

90 ft

300
The ratio of the length of one figure compared to the corresponding length on a second figure.
What is Scale Factor?
400
The ratio of reptiles to mammals, if there are 162 dogs, 54 cats, 7 snakes, 22 gerbils, and 16 guinea pigs.
What is 7:254?
400

A skydiver falls 144 feet in 3 seconds.  How far does the skydiver fall per second?

48 feet

400

If 2 watermelon cost $3, how much would 6 watermelons cost?

$9

400

A miniature model of a building is made using the scale 1 cm=8 m.  If the height of the building is 64 m, what is the height of the miniature model?

8 cm

500

A bicycling club has 94 members, of which 39 are males and the rest are females.  What is the ratio of females to all club members?

55:94

500

Steve drives 78 miles on 3 gallons of gas.  Find the miles per gallon

26 mpg

500

If you are traveling 36 miles per hour, how far would you travel in 3 hours?

108 miles

500

The living room of a new house is 16 feet long.  If using a scale of 1in.=4ft, what is the length of a drawing of the new living room?

4 inches