Ratios
Rates
Customary Measruement
Proportions
Using Proportions
100
to, :, /
What are three ways to write a ratio?
100
50 miles per hour
What is Ike traveled 200 miles in 4 hours. How far did he travel per hour?
100
18 inches
Linda cut off 1.5 feet of her hair to donate to an organization that makes wigs for children with cancer. How many inches did she cut off?
100
n = 4
12/9 = n/3
100
7.5 inches
Pat's school photo package includes one large photo and several smaller photos. The large photo is similar to a photo measuring 2in. x 1.5in. If the height of the large photo is 10 in., what is its width?
200
comparison of two things by division
What is a ratio?
200
25 jumping jacks per minute
Sally can do 50 jumping jacks in two minutes. What is the unit rate?
200
24 cups
An adult male of average size normally has about 6 quarts of blood in his body. Approximately how many cups of blood does the average adult male have in his body?
200
d = 16
3/2 = 24/d
200
13 meters
LeJuan swims in a pool that is similar to an Olympic-sized pool. LeJuan's pool is 30 m long by 8m wide. The lenght of an Oplympic-sized pool is 50m. To the nearest meter, what is the width of an Olympic-sized pool?
300
10 to 7 ; 10/7
What are two ways to write 10:7?
300
$15 per hour
Tom earned $450.00 last week. he worked 30 hours. What is Tom's hourly wage?
300
250,000 pounds
The steel used to make the Statue of Libery weight about 125 tons. How many pounds of steel were used to make the Statue of Liberty?
300
1.5
8.1/27 = p/5
300
21 feet
A lampost casts a shadow that is 35 yards long. A 3-foot-tall mailbox casts a shadow that is 5 yards long. How tall is the lampost?
400
12 oz bag
What is the better deal- an 8 oz package of pretzels for $1.92 of a 12 oz package of pretzels for $2.64?
400
15 weeks
Ky will spend 105 days in Nepal as an exchange student. How many weeks will Ky spend in Nepal?
400
9.6
1/12 = .08/p
400
16 inches
You are traveling from Blowing Rock to Nags Head. The map you are using has a scale of 1in:25miles. It is approximately 400 miles to Nags Head from Blowing Rock. How far is that on the map?
500
3 videos
What is the better deal- 5 videos for $29.50 of 3 videos for $17.25?
500
434 yards
Lake Superior is about 1,302 feet deep at its deepest point. Find this depth in yards.
500
5
x/7.2 = 6.5/9.36
500
7 feet
A 6-foot -tall scarecrow in a farmer's field casts a shadow that is 21 feet long. A dog standing next to the scarecrow is 2 feet tall. How long is the dog's shadow?
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