graphing proportional relationships
equations of proportional relationships
identifying proportional relationships
Solve
100
what numbers are the orgin?
0,0
100
Is this equation proportional? y= 3x
If so what is the constant of proportionality? (K)
Yes
k=3
100
True or False?
When you figure the unit rate, you divide the “y” by the “x”
True
100
It takes Bart 10 minutes to finish writing "I will not talk in school" 30 times. How long would it take him to "I will not talk in school" 90 times
.
30 minutes
200
Using this graph, What is being compared? 
earth weight to moon weight
200
Is this equation proportional? If so what is the constant of proportionality? (K=)
y= 4x + 10
Not proportional
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
Mr. Mohr is selling popcorn for a fundraiser. For every bag of popcorn he sells, the band earns $.50. How much money would he earn for the band if he sold 14 bags of popcorn on the first day?
100 bonus points if you can name Mrs. Rice's favorite type of popcorn.
$ 7.00
Kettle corn
300
Is this graph proportional?
YES
300
Is this equation proportional? If so what is the constant of proportionality? (K=)
y= ¾ x
proportional
k= 3/4
300
Is the table proportional?
Yes it is proportional
300
A recipe for chocolate chip muffins call for 4 cups of flour to 1 cup of chocolate chips. Which of the following shows a proportional ratio for the recipe?
a.8 cups of flour to 2 cups of chocolate chips
b. 3 cups of flour to 1 cup of chocolate chips,
c. 1 cup of flour for 1 cup of blueberries.
A,
100 extra points if you can tell the unit rate
400
Which of the following is proportional?
a. 
A
100 extra points if you can tell why
400
Given the table is proportional. Solve for K
K = 13
400
a) yes
400
Sarah is training for a 5K run. She decides to track her progress by recording the time it takes her to run different distances. After running 1 mile, she completes it in 8 minutes.
If her time is proportional to the distance she runs, how long would it take her to run 3 miles at the same pace?
24 minutes
500
Using this graph, What is the equation?
y=20x
500
What is being compared in the following problem?
If Mrs. Rice needs 25 feet of yarn to knot a scarf, how many yards would she need to knit 3 scarfs?
Feet of yarn to number of scarfs
500
Is the table proportional?
No
500
Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes.
Write an equation that represents the amount of time (in minutes) that it takes him to ride a distance of miles.
y = 5x