Show:
Ratios
Rate
Better Buy/Rate/Unit Rate
Equivalent Ratios
100
What are three ways to write a ratio?
a:b, a to b, a/b
100
Define rate.
A special ratio that compares two quantities with different units.
100
Adam spent $2.01 on 3 pounds of bananas. Ben spent $3.45 on 5 pounds of apples. Who had the better buy? Show all work!
Adam.
100
A cookie recipe calls for 1 cup of sugar and 1/2 cup of chocolate chips. Create a table of equivalent ratios (with 5 ratios in each column) that shows the relationship between the number of cups of sugar to the number of cups of chocolate chips.
(1,0.5) (2,1) (3,1.5) (4,2) (5,2.5)
200

What makes something an equivalent ratio? 

When you can simplify the ratios to the same simplest ratio. 

200
If you can read 380 words in 5 minutes, what is your unit rate?
76 words per minute
200
Which is the better buy? 18 pens for $6.84 or 30 pens for $8.40? (Show all work!)
30 pens for $8.40
200
Kristina walks for 4 minutes after every 28 minutes of running. Jenny walks for 3 minutes after every 21 minutes of running. Are their ratios of walking time to running time equivalent? Show your work.
Yes 1/7 = 1/7
300
If there are 14 red Skittles, 15 green Skittles, and 21 purple Skittles, the ratio of green to total is 3:10. True or False?
True: 15:50 simplifies to 3:10
300
Dennis paid $42.98 for 14 gallons of gas. What is the price per gallon?
$3.07 per gallon
300
Which is the best buy? 6 shirts for $25.50 or 5 shirts for $21.00? Show all work.
5 shirts for $21.
300
Which of the following ratio are not equivalent to the ratio 4:9? 16:36, 20:40, 2:5, 24:54?
20:40 and 2:5
400
The Giants won 8 games, lost 6 games, and tied 4 games. Write a ratio (in simplest form) of wins and ties to total games.
12 to 18 = 2 to 3
400
If 7 pounds of apples cost $13.16, how much will 10 pounds of apples cost?
$18.80
400
Ashley is going to ride her bike to a friend's house that is 96 miles away. She is riding at an average rate of 15 miles per hour. She has 6 hours to get there. Will she make it on time? Show all work and explain why/why not.
No - she will only be able to travel 90 miles in 6 hours.
400
If Joey spent $28 on 5 pounds of candy, how much will 8 pounds of candy cost?
$44.80
500
In the following words, "Easton Middle School", what is the ratio of vowels to consonants?
7 to 10
500
Beth can run 3.2 miles in 25 minutes. How many miles can she run in an hour?
7.68 miles
500
Ed drives from Jefferson to Holden, a distance of 250 miles. He then drives on to Paxton, which is 50 miles from Holden. If it takes him 5 hours to complete the entire trip, how fast is he traveling if he is traveling at a constant speed?
60 mph
500
Steven works the same amount of hours each day. On Monday, he got paid $89.50 for ten hours. If he works Tuesday and Wednesday, how much money will he make per hour? How much money will he make in total after three days?
$8.95 per hour; $268.50 in total