Unit Rates
Solve
Proportions
Proportions
Tables
This and That
Graphs
100
Lucas bought 6 red peppers for $5.40. Find the unit rate.
$0.90
100
Bill charges $120 for cleaning a house for 6 hours. How much would it be if he cleaned a house for 10 hours?
$200
100
What is the origin on a graph?
(0,0)
100
Not proportional
100
What are at least 3 things that every proportional graph needs to have?
Origin point (0,0), Straight Line, Proportional, It has a multiplicative relationship, Changes at the same rate, Same C.O.P, Common Unit Rate, etc.
200
12 donuts in 3 boxes = ___?__ donuts per box
4 donuts per box
200
Better Buy:
a) 12 chocolate bars for $22
b) 20 chocolate bars for $33
b) 20 chocolate bars for $33
$1.65 for 1 chocolate bar
200
Complete the table
Miles 6 24 72
Minutes 5 20 x
What is the Constant of Proportionality?
x=60
C.O.P is 1.2 miles per minute.
200
What is the unit rate? 
5
200
The unit rate is 3
300
Jacob drives 100 miles in 4 hours, what is the unit rate?
25 miles per hour
300
Better Buy:
a) 3 batteries for $4.80
b) 12 batteries for $14.76
b) 12 batteries for $14.76
$1.23 for each battery
300
Jayden and his family are planning a vacation that involves surf lessons. Surf lessons charge $15.95 an hour. Complete the table to determine the total cost for 1, 3, 5, and 10 hours.
1 $15.95
3 $47.85
5 $79.75
10 $159.50
300
If it takes 20 minutes for 100 people to get through the line, how many minutes will it take for 125 people to get through the line?
It will take 25 minutes
300
Is this graph proportional? Explain why or why not. 
No, because it doesn't pass through the origin.
400
There are 240 students in 8 classes, how many students are in each class?
30 students
400
Better Buy:
a) 5 calculators for $105
b) 24 calculators for $552
a) 5 calculators for $105
$21 for 1 calculator
400
Complete the table
Books x 96 144
Boxes 4 6 y
X=84
y=9
The unit rate is 16
400
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50?
400
How may pizza would be ordered at day 17?
The unit rate is 25
425 pizzas in 17 days.
500
Hannah listened to 14 songs in one hour and 10 minutes, how long is each song?
5 minutes
500
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
What is $13.99?
500
Complete the table
Tickets 9 4 X
Price Y $34 $102
X= $76.50
Y= 12
The Unit Rate is $8.50
500
If Vicente spends $34.20 on 4 books, at the same rate, how much would 13 books cost him? Round to the nearest cent. What is the Constant of Proportionality?
For 13 books: $111.15
C.O.P: $8.55
500
Which graph(s) are proportional, if any and why?
C, because it passes through the origin and is linear.