unit rates
tables
equations
word problems
Random
100
10 inches of rain in 5 hours
2 inches of rain/hour
100
Proportional
k=12
100
there are 3 cups that hold 9 oz of juice.
write an equation for how many oz per cup
y=3x
100
in 25 minutes Lee can run 10 laps around the track. determine the number of laps he can run per minute.
a. determine the constant of proportionality
b. write an equation.
k=0.4 laps/ minute
y=0.4x
x=minutes
y=laps
100
proportional
k=5
200
Arika ran 1/3 of a mile in 1/4 hour. What is her miles per hour?
1 1/3 miles per hour
200
proportional
k=2
200
this equation represents the number of miles driven to the number of gallons of gas.
y=28x
x=gallons
y=miles driven
how far could I drive if I has 22 gallons of gas
I could drive 616 miles
200
Grandmas special cookie recipe which makes 4 dozens of cookies calls for 3 cups of flour. Using this information create a chart comparing the amount of flour to the amount of cookies. Is this proportional?
flour 3 6 9 12
cookies 4 8 12 16
Proportional
200
Is this table proportional? Justify your reasoning.
nonproportional
300
Aiden walked 1/8 of a mile in 1/16 of an hour. What is his unit rate for miles per hour?
2 miles per hour
300
Is this table proportional? Justify your reasoning.
non-proportional
300
this equation represents the number of miles driven to the number of gallons of gas.
y=28x
x=gallons
y=miles driven
if I take a trip of 600 miles, how many gallons of gas would I need to make the trip?
I would need 21 3/7 or 21.43 gallons of gas for a 600 mile trip
300
75 basketballs cost $1,143.75. Find the cost of 26 basketballs.
y=15.25x
y=396.50
300
Is this table proportional? Justify your reasoning.
nonproportional
400
Cathy used 2 3/4 cup of sugar to make 5 batches of cookies. How much sugar would she need for 12 batches of cookies?
6 3/5 sugar
400
is the table proportional? Justify your reasoning!
proportional
k=1/2
400
suppose the cost to rent a car is $37.50 for 5 hours
write the equation for cost per hour!
Label each part of your equation
y = 7.5x
400
Justin runs 1/3 of a mile in 10 minutes. How long will it take Justin to run a mile?
30 minutes
400
Create 3 equivalent ratios to 1/2 cup of sugar: 5/6 pounds of flour.
1 s: 1 2/3 p
500
Nicole made 9 batches of cookies and used 4 1/4 cup of butter. How many batches of cookies can she make with 25 1/2 cups of butter.
54 batches of cookies.
500
Is this table proportional? Justify your reasoning.
non-proportional
500
Mark made $5 from working with his dad. If he makes an additional $8.50 per hour. Write an equation.
y = 8.50x + 5
500
A recipe for cupcakes uses a ratio of mix to milk 5:2 cups. Create 3 equivalent ratios.
mix 5 10 15 20 25
milk 2 4 6 8 10
500
what is the constant of proportionality
what does the point (15,18) represent in this problem?
k=1.2
15 hours hike 18 miles