Lessons in Units

CCSS Units
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Overrated

How much confidence should you place in online ratings? Students use ratios and averages to explore the different ways products can be rated online.

Topic: Ratios and Proportional Relationships (RP)
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It's a Date

How can we improve our calendar? Students examine some other ways to keep track of dates, and use number sense and function concepts to convert between different calendars.

Topic: Building Functions (BF), Functions (F), Interpreting Functions (IF)
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Hitting the Slopes

Can you predict a country's Winter Olympic performance? Students analyze scatterplots and correlation coefficients to pick out the best predictive model for Olympic success.

Topic: Interpreting Categorical and Quantitative Data (ID)
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Let Down Your Hair

How fast does hair grow? Students analyze a scatterplot, create a line of best fit, and interpret slope as the rate of hair growth over time.

Topic: Functions (F), Statistics and Probability (SP)
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Wealth of Nations

How is wealth distributed in the United States? Students use measures of center, five-number summaries, and box plots to examine different distributions while digging into one of the most important economic and political issues facing the nation.

Topic: Statistics and Probability (SP)
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Canalysis

What's the ideal size for a soda can? Students use the formulas for surface area and volume of a cylinder to design different cans, calculate their cost of production, and find the can that uses the least material to contain a standard 12 ounces of liquid.

Topic: Creating Equations (CED), Interpreting Functions (IF), Modeling with Geometry (MG)
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Datelines

What's an acceptable dating range? Students use linear equations and linear inequalities to examine the May-December romance, and ask whether the Half Plus Seven rule of thumb is a good one.

Topic: Building Functions (BF), Creating Equations (CED), Expressions and Equations (EE), Functions (F), Interpreting Functions (IF), Reasoning with Equations and Inequalities (REI)
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Decoder Ring

What are some ways to encrypt secret messages? Students explore function concepts using ciphers to encrypt messages both graphically and algebraically; they try to decrypt some messages too. In the end, they’ll learn what makes for a useful cipher, and what makes a cipher impossible to decode.

Topic: Building Functions (BF), Functions (F), Interpreting Functions (IF)
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Nothing But Net

How do you determine the best scorer in basketball? Students compare LeBron James and Tyson Chandler in various ways, from total points, to points per game/minute, to a new measure called net points in order to decide.

Topic: Number System (NS), Ratios and Proportional Relationships (RP)
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1600 Pennsylvania

How big is the White House? Students build scale models to determine the surface area and volume of America's most famous home.

Topic: Geometry (G)
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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)
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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)
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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)
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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)
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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)