graphing proportional relationships
Unit Rate
identifying proportional relationships
Solve
100
what ordered pair is used for the origin?
(0,0)
100
Mrs. Kopp read 350 words in 5 minutes. What is the Unit Rate of words per minute?
350/5 = 70 words per minute
100
Are these ratios proportional? 
Yes
100
For a graph to be proportional, the line must be straight and go through the origin.
True
200
How do you tell if a graph represents a proportional relationship
straight line through the origin or if y/x is constant
200
Ms. Carter drove 220 miles over 4 hours. How many miles did she drive per hour?
She drove 55 miles per hour.
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
Solve
If there are 6 dogs to 9 cats, how many dogs will there be if there are 36 cats
dogs=24
300
Are all straight line graphs proportional relationships?
no
300
Mrs. Land is driving 92 miles. She has 2 gallons of gas left in her car. Her car goes 42 miles per gallon. Will she have enough gas to drive the 92 miles.
No. Her gallons will cover 84 miles and that is less than the 92 miles.
300
Is the table proportional?
No
300
Given the table is proportional. Solve for the multiplicative relationship.
number of trees x 13
400
Is this graph proportional?
YES
400
Using this graph, create a ratio table. 
Teachers check :)
400
Is the table proportional?
Yes it is proportional
400
What is an equivalent ratio to 4:15
Student answers may vary, Teachers decide
500
Paul drives to his friends house 250 miles in 5 hours. If this is drawn on a graph where y is miles and x is hours, then what is the ordered pair coordinates for if this data was graphed on a coordinate plane?
(5,250)
500
Is this table proportional? Then explain, how do you know?
Yes it is, you multiply the same number to the number of tickets and cost as you go down the table.
All the tickets to cost can be simplified to 2:3
500
a) yes
500
Sam took 8 hours to drive 272 miles. What was the unit rate in miles per hour?
34 mph