Rates and Unit Rates
Ratios
Proportions
Scale Factor
Ms. V's Ratios
100
A class has 12 girls and 14 boys. Write a simplified ratio of boys to girls.
What is 7 : 6
100
Write the ratio as a fraction in simplest form: 32 to 68
What is 8/17
100
5 is to x as 10 is to 14
What is 7
100
The scale of a map is 2 inches to 250 miles. What is the scale factor?
What is 1 in : 125 mi
100
Ms. V lived in a house with 4 other roommates and 4 dogs. Write a ratio of dogs to people.
What is 4 to 5
200
Your favorite cookie recipe calls for 2 cups of flour and 1.5 cups of sugar. Write a ratio of flour to sugar.
What is 2 to 1.5
200
Write the ratio as a fraction in simplest form: 1.5 : 4.5
What is 1/3
200
Solve for x: 12/18 = x/54
What is 36
200
A bedroom wall is 22.5 feet, and on its blueprint it was 4 inches. What is the scale factor?
What is 8 : 45
200
17 is to 38 as x is to 190
What is 85
300
You and three friends go to the movies and the ticket total is $45. Find the cost per ticket.
What is $11.25
300
Write the ratio as a fraction in simplest form: 93 to 27
What is 31/9
300
A Disneyland map has a scale factor of 1 : 60. If the distance between Splash Mountain and Indiana Jones is 4.5 inches on the map, how far apart are they in real life?
What is 270 feet
300
The distance from LA to San Diego is 120 miles. On a map, it is 3 inches. What is the scale factor?
What is 1 in : 40 mi
300
Whenever Ms. V orders tacos, she gets 2 chicken and 1 al pastor. If Ms. V ate 12 tacos last week, how many were al pastor?
What is 4 al pastor
400
Find the average speed of a roller coaster that travels 250 feet in 15 seconds.
What is 16.6 ft/sec
400
A school has 55 students in 5th and 6th grade. There are 15 6th grade girls, 17 6th grade boys, and 13 5th grade girls. Write a ratio of 6th grade girls to 5th grade boys.
What is 3/2
400
Your birthday cake recipe calls for 4.25 cups of flour and 3.5 cups of sugar. You plan to throw a big party and want to make 8 cakes. How much flour and sugar will you need? Then, write a ratio of flour to sugar.
What is 34 cups of flour, 28 cups of sugar, 17 : 14
400
The floor plan to Ms. Cooper's baby's bedroom is 9 inches wide, and 27 feet in real life. What is the scale factor? If the length of the room is 22 feet, how long would it be on the floor plan?
What is 1 to 3, 7.3 inches
400
Ms. V loves the 6th graders so much, she decided to make them cookies. The recipe she used called for 3 cups of chocolate chips and 2.25 cups of flour. She decided to make 3 times the recipe so that each student would get 2 cookies. How many cups of chocolate chips and flour did she use? Then, write the ratio of chocolate chips to flour as a fraction.
What is 9 cups of chocolate chips, 6.75 cups of flour, 4/3
500
Which is a better buy: a pack of six 12-ounce Pepsis for $5.99 or two 24-ounce Pepsis for $4.32?
What is Six 12-ounce Pepsis
500
Find the ratio of girls to boys in this class.
What is ??
500
The living room wall on a blueprint is 7 inches wide. When built, the wall will be 15 feet wide. If the length of the wall will be 20 feet, how many inches will it be on the blueprint?
What is 9.3 inches
500
The scale model of a building is 40 centimeters tall. When the building is complete, it will be 210 meters tall. What is the scale factor? If the length of the scale model is 5 centimeters, what is the length of the actual building? *DOUBLE JEOPARDY*
What is 4 to 21, 26.25 m
500
Ms. V lives 9 miles away from BHS. Without traffic, it takes her 25 minutes to get to school. What is her average speed in miles per hour?
What is 21.6 miles per hour
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