Lessons in Units

CCSS Units
Aws4 request&x amz signedheaders=host&x amz signature=d04d19d0d596ce0a3abd3acfe851bd5f368a9ebd15d5ef5b6cf73bfd3ee98e86

Bumpy Flight

How many tickets should airlines sell? Students use probability and expected value to investigate the overbooking phenomenon and why airlines make the decisions they do.

Topic: Conditional Probability and the Rules of Probability (CP)
Aws4 request&x amz signedheaders=host&x amz signature=a5852b5eb7307e5d0256f9f0d387faa09964b77b23c953becf168a2a43e2ce8d

Gobbler's Dilemma

Should stores open on Thanksgiving Day? Students use game theory, payoff matrices, and the famous Prisoner's Dilemma to explore why stores keep opening earlier and earlier. And earlier.

Topic: Vector and Matrix Quantities (VM)
Aws4 request&x amz signedheaders=host&x amz signature=bdf5d9c7dc07b599d1b043912da99bad4586f5eb49c5411f7a23d16758a23bca

I'd Like to Buy a Vowel

How much should vowels cost on Wheel of Fortune? Students use ratios and percents to explore what would happen if Wheel of Fortune charged prices for vowels based on how often they come up.

Topic: Ratios and Proportional Relationships (RP), Statistics and Probability (SP)
Aws4 request&x amz signedheaders=host&x amz signature=b39b55842d22e5597fb8a1d20603706a00efefa90bc48f6731c9fdf20804e1fc

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=4922ffc26ebc72759220e3f2e7d459fe261c411de96739333fc2aa1b43788830

Going Once, Going Twice

How much should you bid in an auction? Students use probability, expected value, and polynomial functions to develop a profit-maximizing bidding strategy.

Topic: Building Functions (BF), Interpreting Functions (IF)
Aws4 request&x amz signedheaders=host&x amz signature=b25a7c282526ae891363054e8ef5e742ed8ce30381dac382dcb69a780feaca67

Harmony of Numbers

Why do certain pairs of notes sound better than others? Students use ratios and fraction division to explore what makes two notes sound good or bad when played together.

Topic: Number System (NS), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=5f4101b07745739643aed251fb8766662fa33aa295b81e476a1f02a020764456

Sofa Away From Me

How far away from the TV should you sit? Students use right triangle trigonometry and a rational function to explore the percent of your visual field that is occupied by the area of a television.

Topic: Building Functions (BF), Creating Equations (CED), Interpreting Functions (IF), Reasoning with Equations and Inequalities (REI), Similarity, Right Triangles, and Trigonometry (SRT)
Aws4 request&x amz signedheaders=host&x amz signature=9d25890b223d7ecf96aea3ae69d8d336ed33f4ca0cecac25a4e5f25eb6ccfbc0

Need for Speed

How much does it cost to drive at different speeds? Students use unit rates and proportions to explore how a car's fuel economy changes as it drives faster and faster.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=26878052d881b3f94d8ae4e7cd2d2eb7e54b43da591e4f1f5d3b6726502cf03b

Loan Ranger

How much do you really pay when you use a credit card? Students develop an exponential growth model to determine how much an item really ends up costing when purchased on credit.

Topic: Building Functions (BF), Creating Equations (CED), Linear, Quadratic, and Exponential Models (LE)
Aws4 request&x amz signedheaders=host&x amz signature=4f3a19d4f804227d521204110007fdf7e64ae4ce6218129d97ea02785e6cf445

Shuffle

What does it mean for a playlist to be "random?" Students use probability to explore the idea of randomness, as well as the patterns that can emerge from random processes like shuffles.

Topic: Conditional Probability and the Rules of Probability (CP), Interpreting Categorical and Quantitative Data (ID)
Aws4 request&x amz signedheaders=host&x amz signature=f5dcde89637425661ba81d237b944c47b9ab7380b2354e09615a937879367f6e

VA-NITY PL88

In how many ways can you personalize a license plate? Students use the Fundamental Counting Principle to determine the total number of possible messages.

Topic: Expressions and Equations (EE), Statistics and Probability (SP)
Aws4 request&x amz signedheaders=host&x amz signature=40b8e0a7d5f950761610a52f83158295e955e4a2b8eeb0d605682f48225c4f69

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=1d677b9e6396864000bc29bc0dc756a4e316a88e4d440801c8ec002ee2f556eb

On Your Mark

Do taller sprinters have an unfair advantage? Students use proportions to find out what would happen if Olympic races were organized by height.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=f4158e874003c57b5c81857c0072af5c6b620a6db2c4a0dac46c66fa67aec390

Triplets of Cellville

How do cell phone towers identify your location? Students describe geometrically the location information provided by a cell phone tower, explain why loci from at least three towers are required to pinpoint a customer's location, and consider the tradeoff between coverage and "locatability" when a phone company chooses a new tower location.

Topic: Congruence (CO), Modeling with Geometry (MG)
Aws4 request&x amz signedheaders=host&x amz signature=c287caffd2ea18d8eb199fa2430830f5d57a5cb627c2eb12c79cc2d7599e386b

Three Shots

In basketball, should you ever foul at the buzzer? Students use probabilities to determine when the defense should foul...and when they should not.

Topic: Conditional Probability and the Rules of Probability (CP)