Vocabulary
Better Deal
Unit Rates and Rates
Proportions and y = kx
100

A ratio that compares a unit of measurement to 1 of another unit of measurement

What is a unit rate

100

Three tickets to the broncos game cost $252, and four tickets to the nuggets game cost $316. Find the cost per ticket to each game. Which is the better deal?

Broncos - $84 per game

Nuggets - $79 per game

So Nuggets!

100

Is this a unit rate? Find the unit rate if not!

15 books in 6 months

No, it is not compared to 1 month. 

2.5 books per month

100

Determine if the following relationship is proportional. Show your ratios to prove your answer. 

No y/x does not equal the same value for all the ratios 

200

A comparison of two numbers (quantities) with similar units or without units 

What is a ratio

200

5 picture frames at Joann's cost $60.25, 8 picture frames at Hobby Lobby cost $79.92. How much would it cost to buy 12 frames at both stores?

Hobby Lobby - $119.88

Joann's - $144.60

200

How much can Joe run in an hour if he can run 35 miles in 5 hours? Include units in your answer

7 miles per hour

200
Is the following relationship proportional? If so, write your constant of proportionality as a unit rate

Yes, all ratios equal 1.25. 

Unit rate: $1.25 per pound of bananas 

300

Two equivalent ratios set equal to each other

What is a proportion

300

4 packs of gum at safeway cost $4.96. 6 packs of gum at King Soopers cost $7.08. How much money would I save buying 9 packs of gum at the cheaper option? 

$0.54

300

If Natalia saved $42 in 7 days, How much can she save in 30 days?

What is $180

300

Is the following relationship proportional? If so, write an equation in the form y = kx to model the relationship. 

Yes, y = 0.5x 

400
If two ratios have the same value when smplified, then they are called....
What is equivalent ratios
400

College A's Tuition is $56,000 for four years. College B's Tuition is $43,500 for three years. If I am going to go to college for 2 years, how much money would I save at the cheaper school? 

$1,000 dollars

400

Calvin cleans 3/5 of a bathroom with 1/3 of a bottle of clorox. How many bathrooms can he clean will 10 bottles of clorox? Find the unit rate first. Set up your ratio tables and use units!

Unit rate: 1 and 4/5 of a bathroom per bottle. Multiply by 10 and you get 18 bathrooms!
400
Write an equation for the following proportional relationship. Use your equation to predict the cost for 20 classes. 

y = 15x

$300 dollars for 15 classes.