Writing Ratios
Equivalent Ratios
Unit Rate
Comparing Rates
Conversion
100
What is the ratio of pens to pencils? Write 3 ways.
4:5
4 to 5
4/5
100
How could we generate a ratio equivalent to 1:2?
You could multiply both digits by the same number. For example, 2:4 is equivalent because both 1 and 2 are multiplied by 2.
100
Find the unit rate: 60 pages in 20 minutes
3 pages per 1 minute
100
Which is the better deal?
4 boxes of cookies for $10
6 boxes of cookies for $12
6 boxes of cookies for $12 - each box would be $2 instead of $2.50
100
5 pints = _______ cups
5 pints = 10 cups
200
What is the ratio of chocolate chip cookies to chocolate chip and sugar cookies? Write 3 ways.
5 : 11
5 to 11
5/11
200
Complete the ratio table: 
The missing value is 8
200
What is the difference between rate and unit rate?
Rate is the comparison between two different units of measure
Unit Rate is the comparison of a value to 1
200
Which has the higher cost per book?
$960 for 30 textbooks
$1625 for 50 textbooks
$960 for 30 textbooks is a higher cost per book ($32.50 per book)
200
2,640 yards = ______ miles
2,640 yards =1 1/2 or 1.5 miles
300
Our class has a ratio of 9 girls to 10 boys. How does the ratio 19:10 describe our class?
The ratio 19:10 describes the total number of students in our class to the number of boys in our class.
300
Lily is making a birthday cake for her best friend. The recipe calls for 5 ounces of milk for every 2 eggs. If Lily triples the recipe, how many ounces of milk and how many eggs will Lily need?
15 ounces of milk : 6 eggs
300
Find the unit rate: 1275 ants to 5 ant hills
255 ants per 1 ant hill
300
Lisa can buy a 24oz box of Cinnamon Toast Crunch for $4.80 from Costco. At Target, Lisa can buy a 15oz box of Cinnamon Toast Crunch for $3.52. Which box should Lisa buy to get the best deal?
The 24oz box has the lowest cost per ounce - 0.20 per oz compared to 0/22 per oz.
300
William bought a piece of wood that is 3 feet long. He cuts it into two pieces. One piece is 14 inches long. How long is the other piece?
1 foot 10 inches or 22 inches
400
A math class surveyed students about their musical preferences and recorded the results in the table below. Use the data to write a ratio for students who prefer hip-hop music to all students surveyed.
15: 53
15 to 53
15/53
400
The ratio of green to pink gummy bears in the package is 32 to 56. If there are 7 pink gummy bears, how many green gummy bears will there be?
4 green gummy bears
ratio 4:7
400
Write the rate and the unit rate:
Rate: 252 days : 9 full moons
Unit Rate: 28 days per 1 full moon
400
Kendra and Daria were going to the movies to see Encanto with some friends. Movie Theater A was selling 4 tickets for $74. Movie Theater B was selling 5 tickets for $91. Which theater should the girls see Encanto at to get the lowest cost per ticket? How much would each ticket cost?
They should go to Movie Theater B to get the best deal. Each ticket would cost $18.20.
Movie Theater A charges $18.50 per ticket.
400
Brian threw a ball over a bar that was 189 inches high. How many inches higher must he vault to go over a bar that is 16 feet high?
3 more inches
500
Marianna took a science test. Out of 40 questions, Marianna correctly answered 32 questions. What is the ratio of questions Marianna answered incorrectly to the total test questions?
8:40
8 to 40
8/40
500
`The ratio of red to blue blocks is shown in the table below. Complete the missing values. Then, use the information given to write how many blue blocks there would be if there were 55 red blocks.
Missing values:
10:14
20:28
30:42
40:56
If there were 55 red blocks, there would be 77 blue blocks.
500
Leonardo has a car that can travel 285 miles per 10 gallons of gasoline. If his car has a gasoline tank that can hold 18 gallons of gas, can he travel an entire 500 mile road trip on one tank of gas?
Yes - using this car to travel 500 miles would take 17.5 gallons of gas. If the 18 gallon tank was full, Leonardo would have enough gas.
500
On Monday, it snowed 30 inches in 16 hours. On Thursday, it snowed 21 inches in 6 hours. On which day did it snow at a greater rate per hour? How much more did it snow per hour?
It snowed more per hour on Thursday.
Monday: 1.875 inches each hour
Thursday: 3.5 inches per hour.
On Thursday, it snowed 1.625 inches more per hour.
500
The ceiling is 8 feet 7 inches from the floor. Lucas can reach up to 7 feet 9 inches when he raises his arm. If he stands on a foot stool that is 8 inches tall, can Lucas reach the ceiling?
No: The ceiling is 103 inches tall. Lucas on top of the foot stool could reach 101 inches. He is still two inches too short.