Unit Rate
Proportional Relationships in Tables
Proportional Relationships in Graphs
Proportional Relationships in Equations
Lewis
100
What is the unit rate of the ratio 180 miles in 3 hours?
INCLUDE UNITS
60 miles per hour
100
Does the following table show a proportional relationship?
1 2 3
10 20 30
Yes
100
What point is the origin?
(0,0)
100
What is the constant of proportionality in the equation y=6x?
k=6
100
What is my favorite type of music to listen to?
Rock / Metal
200
Celia paid $12 for a bag of 3 goldfish. What was the cost of 1 goldfish?
$4
200
Miss Perkins has to make a trip to the printer 4 times each day. Complete the table so that it depicts this scenario.
Days 1 2 3
Trips to the printer 4 8 ?
12
200
Is the graph proportional?
No
200
Write an equation for the table provided.
y=10x
200
Do I have siblings?
yes
300
Sydney read 50 pages in 40 minutes. She reads at a constant rate.
How many pages can Sydney read per minute?
INCLUDE UNITS
1.25 pages per minute
300
Is the table below proportional? Why or why not?
Age 3 7 10
Height 12 35 60
No it is not proportional. There is no constant.
300
What are the two requirements that graphs have if they show a proportional relationship?
1. The points appear in a straight line
2. The line goes through the origin
300
Write an equation for the graph provided.
y=12x
300
How many years have I been teaching?
7
400
If you went to Menchies and paid $4.80 for 12 ounces of fro-yo, what does Menchies charge for each ounce of fro-yo?
$0.40 per ounce
400
Is the below table proportional?
1 3 5 7
12 15 18 20
No! The ratios are not equivalent
400
What is the constant of proportionality?
k=1.2
400
Write two equations for the table provided.
y=13x
or
A=13T
400
What are my two dogs names?
Penny / Jojo