Ratios/Rates/Unit Rate
Proportions
Part to Whole Proportions and Direct Proportions
Proportional Relationships using Tables, Graphs, Equations
100
Solve for the unit rate 54 miles/ 2 gallons
what is 27 miles per gallon
100
Solve for x x/8 = 2/4
x = 4
100
There are 4 girls to every 1 boy in Mr. Sam's class. If the total class has 20 people. How many girls in total are in the class? Create a proportion.
What is 16 girls?
100
Joe paid $100 for a 5 month membership to LA Fitness. Identify the independent variable and dependent variable.
The independent variable is # of months (x) Dependent Variable is total cost (y)
200
Write as a ratio: 42 pairs of hi-tops out of 56 pairs of sneakers?? Simplify
What is 3/4
200
Do they form a proportion. 3/14, 9/42
What is Yes
200
Yellow shirts come in packs of 4 and white shirts come in packs of 3. If Sal buys 28 shirts, how many shirts of each color does he buy?
Yellow shirts: 16 White shirts: 12
200
Joe paid $100 for a 5 month membership to LA Fitness. What is the constant of proportionality?
What is 20?
300
Compares two quantities that have different units of measure
What is a rate?
300
Write a PROPORTION: It took 10 students 4 hours to clean the gym after the prom. Which proportion can you use to find how long it would have taken 2 students to clean the gym?
10 students/ 4 hours = 2 students/x hours
300
For every 3 square feet that Lily plants, Josh plants 2 square feet. If Lily plants 12 square feet, how many square feet are planted in all?
What is 20 square feet?
300
What is the Constant of Proportionality from the table below. http://www.solving-math-problems.com/images/constant-of-proportionality-21719188.jpg
What is 45?
400
Write the unit rate for $375 saved in 5 years
What is $75 per year
400
Determine if the set of ratios is equivalent 72/45 ______ 16/10
What is yes? =
400
True or False: This is an example of direct proportion: The longer Sal drives, the less fuel he has left.
What is False? Direct proportion is when two quantities move in the same direction or have the same kind of change.
400
Anna's class is having a holiday party, and she is in charge of bringing juice. She decides to bring powdered juice mix and add water to it at school. There is a proportional relationship between the volume of water Anna uses to make the juice (in liters), x, and the number of scoops of juice mix she uses, y. To make the juice, Anna combines 4 liters of water and 12 scoops of juice mix. Write the equation for the relationship between x and y.
What is y = 3x
500
A ball fell 144 ft in 3 seconds. How far did it fall in one second?
What is 48 ft per second.
500
3 cups of nuts are needed to make 48 cookies. How many cookies will 5 cups of nuts make?
What is 80 cookies.
500
Katy works at a Subway. She can make 27 sandwiches in 3 hours. At that rate, how long does she have to work to make 81 sandwiches?
What is 9 hours?
500
Find the constant of proportionality using the graph... https://drive.google.com/open?id=0B_wSYV5rTbLIOWNkcVJweWZCdWM And what is the equation?
What is 0.5? What is y = .5x
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