Lessons in Units

CCSS Units
Aws4 request&x amz signedheaders=host&x amz signature=66bcb059edadb12dd31132641b558bc65958dd0ed9b18fec2980489bfad61ad6

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=5d92d41ade3d919ac5547307d59c35228e9423fa2efcbc1d0127b0ab6c081918

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=ddbe8d809dbeb4833b273579a4fb81ff38add571a3f68eccfe2c5a94d6884436

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=85a50210d06fbc200a9910ba9a06771b988bcd9238a601832bea46c0ffffe5bd

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=9f9a99e235a28713d1f6e86db80cdc73a3ef4029304c8e424770dd20b327d18c

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)