Lessons in Units

CCSS Units
Aws4 request&x amz signedheaders=host&x amz signature=f14e38cc17e6e91e292e8976238a86260446dbda0e7f90e48a47d20335e3c368

Not So Fast

How should speeding tickets be calculated? Students use linear equations to explore how police officers determine speeding fines...and whether tickets are calculated fairly.

Topic: Functions (F)
Aws4 request&x amz signedheaders=host&x amz signature=99fcb898190bac02b2a8aab212ee6556dcb9ef7598b778d36c7219d667739322

New Twenty

How does life expectancy affect how you live your life? Students use proportions to determine what life expectancy must have been in the past in order for the phrase "30 is the new 20" to be accurate, and explore how life might change as life expectancy changes.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=ceb38fc40499c43938c81286bf59915c7ce4af7c644f084dfc2dfe5c11ed78d6

Leonardo Numbers

Are there numbers hidden in nature? Students use the Fibonacci Sequence and Golden Ratio to uncover the mathematical mysteries of the universe.

Topic: Ratios and Proportional Relationships (RP), Statistics and Probability (SP)
Aws4 request&x amz signedheaders=host&x amz signature=0a379565dbf983dca212190f639d4e635ede0ac4468a78588437812ece1fe712

Jen Ratio

How does the media affect our happiness? Students explore the concept of the jen ratio – the ratio of positive to negative observations in our daily lives – and use it to discuss how the media influences our experience of the world.

Topic: Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=4e690733349223a5396f1fcb1e8de5cb4b15b0f1b3a1ea15198e19d3e374ddca

I Remember

How much can you trust your memory? Students construct and compare linear and exponential models to explore how much a memory degrades each time it's remembered.

Topic: Interpreting Functions (IF), Linear, Quadratic, and Exponential Models (LE)
Aws4 request&x amz signedheaders=host&x amz signature=e39c6025ca76a0467fadcfcdddf2162405c9adf0a6c465d32fde9edb5b373927

Hi, BMI

What's a healthy weight? Students evaluate the Body Mass Index (BMI) formula for several celebrities, and discuss whether BMI is always a good measure of health.

Topic: Expressions and Equations (EE)
Aws4 request&x amz signedheaders=host&x amz signature=a9c751f0c5102609b6f692844bb59127e117efdd5656a4b68a1f84f7f4605285

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=0a133af0aa9208489fc724d6e98cd38dba98180a0fc3a5fe3206f8164ae48af3

Carpe Donut

How much should people pay for donuts? Students use linear, rational, and piecewise functions to describe the total and average costs of an order at Carpe Donut.

Topic: Building Functions (BF), Interpreting Functions (IF)
Aws4 request&x amz signedheaders=host&x amz signature=39f65f8ab1ded4457128eb42ca3d6c4b1377b835eafec1d30f1e9eaadcd3a9ce

Connected

Do social networks like Facebook make us more connected? Students create a quadratic function to model the number of possible connections as a network grows, and consider the consequences of relying on Facebook for news and information.

Topic: Building Functions (BF), Creating Equations (CED), Interpreting Functions (IF)
Aws4 request&x amz signedheaders=host&x amz signature=e1caca203dd7c16ad2109fa809873237ce3976fc229c95a3e9996cf3b34b4674

Civic Duty

Is it worth paying extra for a hybrid car? Students use proportional reasoning to determine how much hybrid owners save on gas, and how long it will take to make up the price difference.

Topic: Expressions and Equations (EE), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=e3583a169a4008696dd80d4337bfe12271bdd7d8622f261451de9ff69d1005b2

Cheese That Goes Crunch

Which is better: crunchy or puffy Cheetos? Students calculate the surface area : volume ratio for each snack to determine which one tastes cheesier.

Topic: Geometric Measurement and Dimension (GMD), Geometry (G), Modeling with Geometry (MG)
Aws4 request&x amz signedheaders=host&x amz signature=a22492ae62d857c8a51d7a5651371b9bf76a74d2078c1d7b2507510300ecf543

Calories In, Calories Out

How many calories does a body burn? Students interpret and apply the formula for resting metabolic rate (RMR) in order to learn about how calories consumed from food, calories burned from exercise, and calories burned automatically contribute to a body's weight.

Topic: Expressions and Equations (EE), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=43dd52bbce3b7c7981eb21d63c802fe72cbf8ce0f4cb33b258dd2cf8154b799b

Basketball IQ

In basketball, which shot should you take? Students use probability and expected value to determine how much 3-point and 2-point shots are really "worth" to different NBA players.

Topic: Conditional Probability and the Rules of Probability (CP)
Aws4 request&x amz signedheaders=host&x amz signature=fd78ca11bcc6e776c0fe56c53b07d0bf098c8409c2c18ef317ea5327de836846

Are We Alone?

What are the chances that we'll communicate with aliens? Students use fraction multiplication to explore the Drake Equation, the formula astronomers use to estimate the number of intelligent civilizations with whom we might communicate.

Topic: Number and Operations -- Fractions (NF)