Lessons in Units

CCSS Units
Aws4 request&x amz signedheaders=host&x amz signature=57884122761a46d089d24530d0c745642f9a102449b2e8fa2462554e88154b15

Ice Cubed

What size ice cubes should you put in your drink? Students use surface area, volume, and rates to explore the relationship between the size of ice cubes and how good they are at doing their job: chilling.

Topic: Geometry (G), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=8c108cf84bdf5edde9d84207104d66273cd893d166eaa86c4f5723a44810499c

Flicks

Which movie rental service should you choose? Students develop a system of linear equations to compare Redbox, AppleTV, and Netflix, and determine which is the best plan for them.

Topic: Expressions and Equations (EE), Functions (F)
Aws4 request&x amz signedheaders=host&x amz signature=99515f9d96f4f6114f63618ed95ea7cf3701f5f7069fb91368a2fd072d6a2c4f

Family Tree

How many ancestors do you have as you go back in time? Students use exponential growth to see how many people they're related to throughout human history.

Topic: Expressions and Equations (EE)
Aws4 request&x amz signedheaders=host&x amz signature=97eac792d73222606731b055ce276f5e852bdc1ef0156c2a6ef4b4d5285351ac

Family Plan

How much should you pay for a shared wireless plan? Students use proportional reasoning to predict whether a family will go over their minutes, messages, or megabytes, and decide how much each person should pay.

Topic: Expressions and Equations (EE), Number System (NS), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=2cfbbe22153ad13b10cfee01b1a5141d3c47dffbcf587ea921c9e8c23ac0a424

Golden Gatekeepers

Did UC Berkeley discriminate against women? Students use frequency tables, conditional probability, and Simpson's Paradox to explore the (un?)fairness of college admissions.

Topic: Conditional Probability and the Rules of Probability (CP), Interpreting Categorical and Quantitative Data (ID)
Aws4 request&x amz signedheaders=host&x amz signature=f6cfb93cff556556c7e27337751192f16952b5c445e6943e82a70feacf0db6aa

My Fellow Americans

Have presidential speeches gotten dumber? Students evaluate the Flesch-Kincaid formula with inputs from three different presidents and analyze the formula to predict how specific changes to a speech will impact its score.

Topic: Expressions and Equations (EE), Number System (NS)
Aws4 request&x amz signedheaders=host&x amz signature=8b7d7d48976710685c2d48b6b5f56b981c2d7156f678fe133b6aaf91f3a823a5

Ballot Boxing

How do the rules of an election affect who wins? Students calculate (as a percent) how much of the electoral and popular vote different presidential candidates have received, and add with integers to explore elections under possible alternative voting systems.

Topic: Number System (NS), Ratios and Proportional Relationships (RP), Reasoning with Equations and Inequalities (REI)
Aws4 request&x amz signedheaders=host&x amz signature=aeea4db6ada99c78b0952bddb27fd2b8d52c3a4a1e712c87494dae53052667ca

As the World Turns (MS)

How fast is the Earth spinning? Students use unit rates to find the speed at which the planet rotates along the Equator, Tropic of Cancer, and Arctic Circle.

Topic: Expressions and Equations (EE), Ratios and Proportional Relationships (RP)
Aws4 request&x amz signedheaders=host&x amz signature=d2c7f2f6694fdd9e52f7f718ea0095e01bb19220719153f71dce60bc4fca604a

As the World Turns (HS)

How fast is the Earth spinning? Students use rates, arc length, and trigonometric ratios to determine how fast the planet is spinning at different latitudes.

Topic: Circles (C), Similarity, Right Triangles, and Trigonometry (SRT)
Aws4 request&x amz signedheaders=host&x amz signature=45f78b1b2f15f94c8b2a4c2cb564799152e403cf926effe4e8ec47ad3e2aeb92

51-Foot Ladder

How high can a ladder safely reach? Students combine the federal guideline for ladder safety with the Pythagorean Theorem (middle school) or trigonometric ratios (high school) to explore how high you can really climb.

Topic: Geometry (G), Similarity, Right Triangles, and Trigonometry (SRT)
Aws4 request&x amz signedheaders=host&x amz signature=b6ebde085d2a534ea8508acf579eaa635ff4fe567c2fd8e33f91acd292b98406

Domino Effect

How much does Domino's charge for pizza? Students use linear functions — slope, y-intercept, and equations — to explore how much the famous pizzas really cost.

Topic: Expressions and Equations (EE), Functions (F)
Aws4 request&x amz signedheaders=host&x amz signature=749186c2a786835cfb88da12f5cd9f18695ce7aae60e13d3da301d05acdf7133

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)
Aws4 request&x amz signedheaders=host&x amz signature=d8750d1bc98aec5a094bebb7b6dbc8f9068b66865a5528af3d2f32ba6e631582

AppleCare a Day

Should you ever buy an extended warranty? Students use percents and expected value to determine whether product warranties are a good deal.

Topic: Expressions and Equations (EE), Ratios and Proportional Relationships (RP), Statistics and Probability (SP)
Aws4 request&x amz signedheaders=host&x amz signature=bf7fa9d6fa6c27e76f197bc421dfd0a97055b0d573b2183668b45f211d77aa5d

Wheel of Fortune

Is Wheel of Fortune rigged? Students use percents and probabilities to compare theoretical versus experimental probabilities, and explore whether the show is legit, or whether there might be something shady going on!

Topic: Ratios and Proportional Relationships (RP), Statistics and Probability (SP)
Aws4 request&x amz signedheaders=host&x amz signature=b15a4b1688c58eac74c2d8f8d442b54f1ef3bfaf82b873c084148712d0db0a78

Licensed to Ill

Who should buy health insurance? Students use percents and expected value to explore the mathematics of health insurance from a variety of perspectives.

Topic: Number System (NS), Ratios and Proportional Relationships (RP), Statistics and Probability (SP)