unit rate
proportional tables
Proportional graphs
Proportional equations
Constant of proportionality
100
It is $39.96 for 4 pizzas. How much is it for 1 pizza?
It cost $9.99 for 1 pizza
100
Complete the proportional table.
100
Is the graph proportional? Explain.
Yes, it has a straight line that starts at the origin.
100
Write an equation for the proportional table.
y = 65x
200
Sally can jump 36 times in ½ minute. How much can she jump in 1 minute?
Sally can jump 72 times in 1 minute.
200
Complete the proportional table.
200
Is the graph proportional?
No, it does not start at the origin.
200
What does the equation(rule) mean for the following problem. y = 65x
Each hour the car goes 65 miles.
200
Use the equation to find the value of y
when x = 8
y = 3.5x
y = 28
300
You need 1/2 cup of sugar for 2/3 of a serving. How much sugar is needed for 1 serving?
You need 3/4 cup of sugar for 1 serving
300
Is the table proportional? Explain.
No, they do not have the same unit rate.
300
What is the unit rate for the following proportional graph?
$20 per ticket
300
Calculate the miles for 1/4 of an hour.
1,125 miles
400
John bought 5 books for $42.50. How much is 12 books?
It cost $102 for 12 books.
$8.50 per book x 12 books = $102
400
Is the table proportional? Explain.
Yes, it has the same unit rate of $2.65.
400
Write an equation to represent the proportional relationship. Write down the points first.
y = 2x
400
Write an equation for the proportional table?
c = 1.5p
400
The graph shows the change in distance and time while the student Deltamos is running. How many feet for 11 seconds?
55 feet