Unit Rates
Proportions
Writing Proportions
More Unit Rates
Scale Models
100
Solve unit rate: 810 miles in 9 days.
90 miles in 1 day
100
solve the proportion k/7 = 32/56
What is k=6?
100
write and solve a proportion: A squirrel can run 1 mile in 5 minutes. How far can it travel in 16 minutes?
1/5=x/16, x = 3.2 miles?
100
Write a unit rate for typing 496 words in 8 min.
What is 62 words per min?
100
21.25 ft
200
150 people for 5 classes.
30 people per class
200
6/25 = d/30
What is d=7.2?
200
The scale on a map is 3 cm=7 kilometer. Find the actual distance for 9 cm.
What is 21 km?
200
write a unit rate for 368 bushels of apples on 16 acres of land.
What is 23 bushels per acre?
200
A model ship is built to a scale of 3cm:5m. The length of the model is 30 cm. What is the actual length of the ship?
50 m
300
$7.40 for 5 lbs. Write a unit rate for $ per pound.
$1.48 per pound
300
3.5/8 = a/3.2
What is a=1.4?
300
If you can buy one can of pineapple chunks for $2 then how many can you buy with $10.
What is 5 cans?
300
330 miles on 15 gallons of gas, how much for one gallon of gas?
What is 22 miles per gallon?
300
The scale of a map is 2.3 cm = 78 km
Map: 3.4 cm
Actual: ______ km
115.3 km
400
144 miles on 44 gallons of gas.
32 miles per gallon
400
2.5/6 = h/9
What is h=3.75?
400
The scale on a map is 3 cm = 7 kilometers. Find the actual distance for 21 cm.
What is 49 km?
400
24 greeting cards for $4.80, write a unit rate for how much per card.
What is $.20 per card?
400
A model of a skyscraper is made using a scale of 1 inch:75 feet. What is the actual building if the height of the model is 19 2/5 inches?
1,455 feet
500
$1.12 for 8.2 ounces. write a unit rate for price per ounce.
$.14 per ounce
500
48/9 = 72/n
What is n=13.5?
500
If 3 televisions weigh 240.6 pounds, how much do 9 of the same televisions weigh?
What is 721.8 lbs?
500
112 feet in 2.8 seconds, write a unit rate for how many feet per second
What is 40 ft per second?
500
30 ft by 25 ft