6.3 Unit Rates and Percents

Intro Lesson

Aws4 request&x amz signedheaders=host&x amz signature=726a15f518ef524005771bf082bf58c33d1aec835d1f144bc8c62807c8b9a347

Big Foot Conspiracy

Should people with small feet pay less for shoes? Students apply unit rates to calculate the cost per ounce for different sizes of Nike shoes, and use proportions to find out what would happen if Nike charged by weight.

Topic: Ratios and Proportional Relationships (RP)

Middle Lessons

Aws4 request&x amz signedheaders=host&x amz signature=460543528bfcd947732f8a1d78e5303413bdbb0f5bafdbb0f7a761d24b3bdb13

Bundle Up

How much should people pay for cable? Students interpret scatterplots and calculate the costs and revenues for consumers and providers under both the bundled and à la carte pricing schemes to determine which would be better for U.S. companies and customers.

Topic: Number System (NS), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=79d41dd1e1a23b01e3c85c8383e1db98b456b176506d4ac7feb4b0d75a57e29d

Frame Rate

How do filmmakers create slow-motion and time-lapse videos? Students combine a camera's frame rate, a video player's frame rate, and proportional reasoning to explore movie magic.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=46125cf6d3dfc553406f88f590286f25790e28c2f7044cd759981bb6a4e8fffa

Go Big, Papa?

Are Papa John's specialty pizzas a good deal? Students evaluate expressions to compare the prices of specialty vs. build-your-own pizzas, and determine how much they're saving...or losing!

Topic: Expressions and Equations (EE), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=9ea7b9476317062621c169d3fe5f2ab92bdffbf5b8f17eaca2c4fd66dab5e686

New-Tritional Info

How long does it take to burn off food from McDonald's? Students use unit rates and proportional reasoning to determine how long they'd have to exercise to burn off different McDonald's menu items.

Topic: Number System (NS), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=fe4b5afdfb670182f350bc75c240c3f5fbc2adfcbb92235455345d98035f9f5c

Scalped!

When you buy a concert ticket, where does your money go? Students use percents and proportional reasoning to describe how revenue from tickets is distributed among the various players in the concert game.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=568fbcc3b73366796cf2ca913452979f9393f942fbcebeda882887dd6b4c3144

Tip Jar

How should we tip in a restaurant? Students use mental math, percents, and proportional reasoning to compare different approaches to tipping.

Topic: Ratios and Proportional Relationships (RP)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=81ec0152c7f6640cf82d2eae91fe9620d74c227ebb42d7e9dc8e3eec0b1d3a3e

Been Caught Stealing

How hard is it to steal second base in baseball? Students use the Pythagorean Theorem and proportions to determine whether a runner will successfully beat the catcher's throw.

Topic: Geometry (G), Ratios and Proportional Relationships (RP)