Tag Archive for HS

Huge Key Lime pie

On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you show this movie to your…

A parametric heart … with love

Valentine’s Day is a good excuse to explore parametric equations. First students figure the coordinates of this figure using trigonometric unit triangles. Then they simplify and accelerate this task with either a graphing calculator or with online software like Desmos…

Clean Close Shave

Take a look at the infographic.  What do you see? What do you think?  What do you wonder? In this lesson students compare NFL QB rating of quarterbacks with and without facial hair.  This task can be used to explore a…

Deflategate

The deflated ball controversy makes an interesting segue into negative number line understanding.  A particular digital psi football gauge reads 0 when the ball is at a proper NFL inflation of 13 psi.  Footballs inflated under 13 psi produce negative psi readings…

Do you have text neck?

What does looking down at your electronic device do to your breathing? To your muscles? To your spine curvature? To your pain?  It can lead to a condition called Text Neck.  To learn more about Text Neck and to kick this…

Soda Santa

Soda Santa

Happy Holidays! This Soda Santa is made up entirely of 12-pack cans of Coca-Cola products. What questions do you have? Start out the activity by giving kids 30 seconds to look at the picture and have them take a quick…

Done with the leaves … now for the snow

Brian has spent too much time analyzing his leaf raking. He has created an investigation that asks students to calculate how long it would take different numbers of rakers to finish cleaning his yard of leaves. Students see the inverse…

Rush or Pass?

With only 16 games in an NFL regular season every game and every play is crucial.  Teams need to win each week or jobs are on the line. To win you have to score points.  Points translate to wins. So…

How much should you spend on this sale?

This activity can be used in a large range of grade levels.  Your class can work on percents, linear equations or piecewise functions. Act One: We missed the semi-annual sale but we want to get ready for the next one.  Let’s…

Nobel Prizes

This is the medal that is given to the Nobel prize winners.  Check it out. (Teachers, you could get into Roman numerals right here.)       LittleRomanNumeralLesson.pdf What do you know about the Nobel Prize?  Who do you know who has…

Macy’s Star Rewards Points

Macy's Sale

Wow! Check out this deal at Macy’s.  For $25 I can join Macy’s Star Rewards program.  I get 10% back in rewards for every dollar I spend.  Its pretty cool that Macy’s gives part of that $25 to charity.  Should you do…

MAVEN arrives at Mars

Recently the MAVEN spacecraft (Mars Atmosphere and Volatile Evolution Mission) that was launched on November  18, 2013 reached Mars and attained an elongated orbit around the planet.  How does someone figure out how to do that?

Ebola updated

Ebola has continued to gain strength and devastate regions of West Africa.  WHO (World Health Organization) updates their data frequently and the progress and lack of control of the epidemic is very concerning. We’ve gathered the present numbers again for…

Doubling your money

My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore investing and exponential growth as your students discover “The Rule…

Saffron and paella

In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice.  It was hugely expensive.  So, I’ve decided to start a business of growing saffron and becoming immensely wealthy.