Unit Rate
Proportional Tables
Proportional Graphs
Proportional equations
Proportional Relationships
Misc. Facts & about Mrs. Harrington
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
What are the requirements for a proportional graph?
It must have a straight line and start at the origin (0,0).
100
Write an equation for the proportional table. X = hours and Y = miles. Use y=kx
y = 65x
100
What is the constant of proportionality?
Stacey hikes 12 miles in 3 hours and 20 miles in 5 hours.
4 miles per hour
100
What are my 2 kids' names?
Rylan and Grayson
200
A sloth can move 1/2 a foot in 1/4 of an hour. How fast can the sloth go, in feet 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? Explain.
Yes, it has a straight line that starts at the origin.
200
Write an equation to represent the proportional graph. Use y=kx
y = 2x
200
What does the point represent in the graph?
5 tickets cost $40
200
What is my favorite hobby?
Reading or stained glass
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
Is the graph proportional?
No, it does not start at the origin.
300
Write an equation for the proportional table?
y = 1.5x
300
Ms. Vega is knitting a scarf for her brother. It took her 2/3 hour to knit 1/4 foot of the scarf. How fast is Ms. Vega's knitting speed, in feet per hour?
3/8 feet per hour
300
What is the longest river in the world?
Nile River
400
Paula wants to gift 12 students tickets to the science center. Science center tickets are 3 for $36.75. How much will she pay altogether?
$147
400
4 36
____ = ____
x 72
x = 8
400
What is the unit rate for the following proportional graph?
$20 per ticket
400
Jeremy plots the points (0, 0) and (4, 11) on a graph to represent a proportional relationship. What is the constant of proportionality?
k = 2.75
400
Calculate the miles for 15 minutes?
1,125 miles
400
What is my favorite snack ever?
Takis (or hot cheetos or turbos)
500
Marla wants to buy some chips.
A. 8 oz costs $3.25
B. 13 oz costs $4.48
C. 25 oz costs $9.40
D. 36 oz costs $12.65
Which cost per oz is the most worth it?
Option B: 13oz for $4.48
500
20 130
____ = ____
x 78
x = 12
500
State Test Question:
Line KN represents a proportional relationship. Point N lies at (16, 12). Which point below can represent Point K?
A (6, 0) B (3, 4)
C (1.3, 0) D (8, 6)
D (8, 6)
k = 3/4 or 0.75
500
Mia plots the points (0, 0) and (8, 24) on a graph to represent a proportional relationship. Write the equation in the form of y = kx.
y = 3x
500
At the local bakery, Ariel bought 2 oatmeal cookies for $1.50. Mei bought 1/2 dozen oatmeal cookies for $4.50. Becky bought 8 oatmeal cookies for $5.60. Who got the best deal?
Becky; she paid $0.70 per cookie.
500
What are the 6 types of animals I have? (need 4 correct)
Dogs, cats, chickens, ducks, turkeys, cows.