Writing Ratios
Equivalent Ratios
Rates
Comparing Ratios and Rates
Unit Rates and Unit Pricing
Vocabulary
Ratio Graphs and Tables
100
In one of Ms. Wellbrook's classes, there are 12 girls and 20 boys. What is the ratio of girls to boys? (simplest form)
What is 3:5, 3 to 5, and 3/5 ?
100
Name three ratios that are equivalent to 1:3.
2:6, 3:9, 4:12, 5:15, 6:18, etc.
100
A scooter traveled 2 miles in 10 minutes. At this rate, it would travel ________ miles in 40 minutes.
What is 8 miles?
100
Fruit Salad recipe #1:
2 cups of blueberries and 1 cup of strawberries.
Fruit Salad recipe #2:
4 cups of blueberries and 1 cup of strawberries.
Which recipe has a higher ratio of blueberries to strawberries?
What is recipe 2?
100
Identify the unit rate for 33 chairs in 3 rooms.
What is 11 chairs per room?
100
A ____ compares one PART of a group to another PART of the same group.
part-to-part ratio
100
Which rate represents the graph?
2 boys for every 1 girl 0.5 boys for every 1 girl
6 boys for every 1 girl 3 boys for every 1 girl
2 boys for every girl.
200
In one of Ms. Bell's classes, the ratio of non-athletes to athletes is 20 to 10. What is the ratio of ATHLETES to NON-athletes? (simplest form)
What is 1:2, 1 to 2, and 1/2 ?
200
Identify the equivalent ratio of 3 kittens: 8 puppies
A) 9 puppies: 24 kittens
B) 6 kittens: 18 puppies
C) 15 puppies: 36 kittens
D) 12 kittens: 32 puppies
What is D) 12 kittens: 32 puppies?
200
Edward ate 15 hotdogs in 3 minutes. At this rate, it would take him __________ minutes to eat 75 hotdogs.
What is 15 minutes?
200
Amber ran 2 miles in 15 minutes.
Jackson ran 4 miles in 25 minutes.
Who is running faster?
Who is Jackson?
200
In 4 hours, Tommy can mow 20 lawns. How many lawns can he mow per hour?
What is 5 lawns per hour?
200
_____________ ratios express the SAME ratio relationship between two quantities.
equivalent ratios
200
What is the missing number in the table?
76
300
Out of all of Ms. Morgan's students, there are 84 students who have pets, and 21 who do not have pets. What is the ratio of students who have pets to students who do not have pets in simplest form?
What is 4:1, 4 to 1, and 4/1 ?
300
Ms. Fu has 12 red marbles for every 30 blue marbles. Mrs. Wulpern has 2 red marbles for every 6 red marbles. Are these ratios equivalent? Show/explain how you know.
No
300
Michelle can mow 12 lawns in 4 hours. How many lawns can she mow in 10 hours?
What is 30 lawns?
300
For every 3 questions Emily answers incorrectly, she gets 10 correct.
For every 4 questions Anthony answers incorrectly, he gets 12 correct.
If they were playing each other, _____________ would have a higher ratio of incorrect to correct answers.
Who is Anthony?
300
Identify the unit price for 244 Jolly Ranchers for $36.60. Round to the nearest cent.
What is $ 0.15 per Jolly Rancher.
300
The ______ is a ratio in which the units are different.
rate
300
If this table was placed in a graph, what would be the ordered pairs?
(0,0)
(1,4)
(2,8)
(3,12)
400
Out of all of Mr. Moskauski's students, there are 75 students who like pizza and 25 students who do not like pizza. What is the ratio of TOTAL number of students to students who like pizza? (Simplest form)
What is 4:3, 4 to 3, and 4/3 ?
400
Identify an equivalent ratio to 9:15
A) 2:5
B) 30:45
C) 15:25
D) 12:25
What is C) 15:25 ?
400
April stapled 14 packets in 3 minutes. At this rate, it will taker her ______ minutes to staple 35 packets.
What is 7.5 minutes?
400
At an eating competition, Arnold drank 4 ounces of water for every 12 mini-burgers he ate.
Brett drank 2 ounces of water for every 8 mini-burgers he ate.
Which contestant drank a smaller ratio (fraction) of water to mini-burgers during the competition?
Who is Brett?
400
Josh bought a 10 pack of chocolates for $4.50. Using a unit rate, determine how much it would cost Josh for 15 chocolates.
What is $6.75 for 15 chocolates?
400
A ______ is a special kind of UNIT RATE involving COST.
unit price
400
In gym class, the sixth graders walk 2 laps for every 3 laps they run. If the students run 6,9 and 12 laps, how many laps will they walk? Create a table and then write the coordinates that would be plotted on the coordinate plane.
Coordinate pairs:
(3, 2)
(6, 4)
(9,6)
(12,8)
500
John has a cookie tray at his holiday party. On it, there are 12 chocolate chip cookies, 18 oatmeal raisin cookies, 6 peanut butter cookies, and 24 sugar cookies. Name the ratio of sugar cookies to total number of cookies in simplest form.
What is 2:5?
500
Abbey has created the perfect cake recipe. It has a ratio of flour to sugar of 4:9. Identify which of the following recipes could be a version of Abbey's perfect cake.
A) 8 cups flour, 19 cups sugar,
B) 12 cups flour, 36 cups sugar,
C) 20 cups flour, 40 teaspoons sugar,
D) 16 cups flour, 36 cups sugar,
What is D) 16 cups flour, 36 cups sugar, ?
500
Alex texts 23 words in 2 minutes. At this rate, he would text _______ words in 15 minutes.
What is 172.5 words?
500
Erin, Amy, and Aubrey are racing each other at the go kart track.
Erin drives at a rate of 4 laps in 9 minutes, Amy drives at a rate of 3 laps in 7 minutes, and Aubrey drives at a rate of 5 laps in 11 minutes.
At this rate, the order of the finishers will be ________, _________, and then finally ________.
Who is Aubrey, Erin, and then Amy?
500
Rob can buy 15 brownies for $7.75 or 25 brownies for $14.57. Using unit rates, determine which deal is a better buy.
What is 15 brownies for $7.75?
500
A rate in which the first quantity is given for every 1 unit of the second quantity is called the ____________.
unit rate
500
12 bottles of conditioner.