6.3 Unit Rates and Percents

Intro Lesson

Aws4 request&x amz signedheaders=host&x amz signature=00b492cd467664aabd5bd7c2b6d7c73f8cea9b66a7bb2a59eefbc2c3862445b9

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=5bb0d30331e60bd7270e26ffbb6cd358141a84a7e9595b0d83e2cd4e14ce161c

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=569008162620741851cd37f87e7e0be349ea373f2241937013132904ce85327d

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=1d83790cf2f25f0468d4f0a0abbfbbc4714edc29a73c42a00bf1a34cdc3116c8

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=3f8ab1fd410b7bffe7cb212848f44778faf81c797e59b8b1d2dd3c753de9df06

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=1d7579926bfdf5a1421ec7de078cd4fd16e0b47672e2dffc4c19f8e4f6f7ae92

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=5a782bf231419f93b037814e4e038e9abf71b8881d7e26e8147966979813a765

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=faf27c91583df20b58747ccdfb94ff75f39cd3b6c29afc49969bbb97acee07a2

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)