Ratios, Rates, and Unit Rates
Solving Proportions
Word Problems pt.1
Word Problems pt.2
Vocabulary
100
Courtney runs 17 miles in 5 minutes. What is her unit rate per minute?
What is 3.4 miles per minute?
100
A part time job pays $237 for 25 hours of work. How much does it pay per hour?
What is $9.50 per hour
100
Two triangles are similar, and the smaller triangle's shortest side is 45 feet, while the bigger triangle's shortest side is 68 feet. if the bigger triangle's longest side is 98 feet, what is the shorter triangle's longest length?Round to the nearest foot.
What is about 65 feet long.
100
3 pounds cost $15. How many pounds can you buy for $45?
What is 9 pounds?
100
What does Percent mean?
What is Per 100
200
Saad buys 7 bags of groceries for every 5 trips to the store. About how many does he buy per visit?
What is about 1?
200
If a tree is 26 feet tall, and its shadow is 8 feet long , and a man is casting a shadow of 2 feet long, how tall is a man?
What is 6.5 feet tall?
200
David read 40 pages of a book in 50 minutes. How many pages should he be able to read in 80 minutes?
What is about 64 pages?
200
If 5 pencils cost 20 cents, how much would 15 pencils cost?
What is 60 cents?
200
What is a ratio?
What is a comparison between two or more quantities.
300
If someone types 295 words in 6 minutes, using compatible numbers, find how many words they type per minute.
What is about 50 words per minute?
300
A class trip consists of 54 students and 6 teachers. How may students per teacher are there?
What is 14 teachers per student?
300
Jeannie takes inventory of her closet and discovers that she has 8 shirts for every 5 pair of jeans. If she has 40 shirts, how many pairs of jeans does she have?
What is 25 jeans?
300
The ratio of seventh graders to eighth graders participating in the science fair is 4:3. There are 18 eight graders participating in the science fair. How many 7th graders are there?
What is 24 seventh graders?
300
Define unit rate.
What is how much for one unit of measurement?
400
If I love you 5 times out of 20 times of the day, how often do I really love you?
What is 1/4 of the day?
400
A bowler scores 3,152 points in 16 games. What is his average score in points per game?
What is 197 points per game?
400
If 4 grapefruits sell for 79 cents, how much will 6 grapefruits cost?
What is about 1 dollar and 18 cents.
400
The ratio of the length of the actual height of a person to the length of their shadow cast is 1:3. At the same time, a lighthouse casts a shadow that is 600 meters long. How tall is the lighthouse?
What is 200 meters tall?
400
Define proportion.
What is an equation stating two ratios are equal?
500
If Calli drives 327.768 kilometers in 1 hour and 23 minutes, what is her average rate of speed? Round to the nearest hundredth.
What is 3.95 km/minute?
500
Melissa drives 238 miles in 5 hours. What is her average rate of speed?
What is 47.6 miles per hour?
500
Jim found out that after working for 9 months he had earned 6 days of vacation time. How many days will he have earned after working for two years?
What is 16 days of vacation?
500
For every person who actually has the flu, there are 6 people who have flu-like symptoms resulting from a cold. If a doctor sees 40 patients, how many of these would you expect to have a cold?
What is about 34 people?
500
How is the unit rate and constant of proportionality similar?
What is we divide to find the per 1.