unit rate
proportional tables
Proportional graphs
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
What is the constant of proportionality (unit rate)?
Stacey hikes 12 miles in 3 hours and 20 miles in 5 hours.
4 miles per hour
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
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 15 minutes?
1,125 miles
400
John bought 5 books for $42.50. How much is 1 book?
It cost $8.50 for 1 book.
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.
y = 2x
400
How many feet for 10 seconds?
50 feet