Tag Archive for HS

Pythagorean Triples + coloring

Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns.  We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…

Hexadecimal colors or paint by number

Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…

Soda Menorah

Happy Holidays! This Soda Menorah was on display in a Florida Target store.  It is made up entirely of 12-packs of Coca-Cola products. What questions do you have? Start out the activity by giving kids 30 seconds to look at…

Why does the date of Hanukkah keep changing?

Just updated for 2016! Saturday evening, December 24th, is the first night of Hanukkah this year. I think it was much earlier in December last year. Why isn’t it always on the same date? Students look at the Hebrew calendar…

Rescue of the Chilean miners – The 33

On August 5, 2010, the San Jose copper-gold mine near Copiapó,Chile collapsed stranding 33 miners in a large cavern more than 2,000 feet below ground. A new movie has just been released about the incident, The 33. All of the…

What’s your favorite sport?

What is your favorite sport?  Wait, do I mean your favorite sport to play or your favorite sport to watch? Does it matter? Are your favorite to-watch sport and your favorite to-play sport the same sport or different? How does…

How much have doughnuts changed?

Part of the Smithsonian’s Sally L. Steinberg Collection of Doughnut Ephemera — Click on the image to see it larger. When you are working on volume in your class, you can use this activity for students who might like to find…

Oreo Stuffiness

There is yet another Oreo… ABC Breaking News This activity builds off the work that Dan Anderson’s math class revealed about Original Oreos and Double Stuff Oreos. Students begin by working with the weight of just the Oreo wafer and…

Let’s get rich

There has been a lot of craziness in the stock market lately, but people who have invested their money in the markets could have made a lot of money in recent years.  Students use yearly percent increase data to decide…

How Much is a Tweet Worth?

These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money.  In this activity students study how the number of Twitter followers relates to tweet…

Canstruction

Act One:  Take a look at the pic. What questions come to mind? Just before Thanksgiving there is an annual demonstration at the Winter Palace in the World Financial Center of New York City.   Canstruction is a celebration of…

In the Cloud

I want to find a way to keep my photos, documents, videos and music in a place that is safer than on my computer.  If my Macbook Air melts, where can I keep my irreplaceable files so that they aren’t…

Free Flights?

This can’t be right!  If my flight cost $200 and I stayed for 10 days it would be free.  Right?  You can kick off this activity by asking students to think about where in the world they would love to travel…