unit rate
proportional tables
Proportional graphs
Proportional equations
Scale Factors
100
It is $39.96 for 4 pizzas. How much is it per pizza?
It cost $9.99 for 1 pizza
100
Is the table proportional, explain
No, because it does not have a constant rate of $4.35.
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
100
On a scale drawing of a building lot, 1 inch: 12 feet. The building lot is 114 feet wide. What is the width of the building lot on the scale drawing?
12 in wide on the scale drawing
200
A sloth can move 1/2 a foot in 1/4 of an hour. How fast can the sloth go per hour?
The sloth can go 2 feet per hour.
200
Is the table proportional? Explain.
Yes, it has the same unit rate of $2.65.
200
Is the graph proportional?
No, it does not start at the origin.
200
Write an equation to represent the proportional graph.
y = 2x
200
A blueprint of a gym shows the length of a basketball court is 10.4 inches. The drawing has a scale of 1 inch: 9 feet, so what is the actual length of the basketball court? Round to the nearest tenth.
93.6 feet long
300
For 2/3 of a serving you need 1/2 cup of sugar . 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 graph?
$20 per ticket
300
Write an equation for the proportional table?
y = 1.5x
300
Mark is looking at a blueprint of a skateboard ramp that shows the ramp’s length is 11.4 inches. If the scale on the blueprint is 1 inch: 6 feet, find the actual length of the ramp. Round to the nearest tenth
68.4 feet long
400
What is the constant of proportionality?
Stacey hikes 12 miles in 3 hours and 20 miles in 5 hours.
4 miles per hour
400
Calculate the miles for 15 minutes?
1,125 miles
400
What does the point represent in the graph?
5 tickets cost $40
400
Write an equation for the graph that has coordinate points:
(1, 20)
(2, 40)
(3, 60)
y=20x
400
Dave found the blueprint of his bedroom. It has a scale factor of 1 in : 2 feet. If his room in the blueprint is 5 inches long and 6 inches wide. What is the AREA of his actual room?
Length = 10 feet
Width = 12 feet
Area = L x W = 120 feet squared