Dunkin Donuts is promoting variety in their mixtures of hot chocolate. Let your students try to figure out how many ways they can create their drink as they calculate the number of combinations possible in our story of stopping for…

Let your students develop their own ideas about compounded percent change while they have the opportunity to speak about the upcoming Academy Awards show. Worldwide box office income is compared for the top ten grossing movies of all time. Is…

Thursday, February 14, 2019, is Valentine’s Day. Start the “love hoopla” with this graphic on where all of the flowers come from. This is part of the graphic from http://visual.ly/valentines-day-facts What fraction of these roses are shaded red? The red ones…

The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair or not.…

Check out the TVs. All have essentially the same features, only the size of the screen varies. Which TV do you think is the best deal?Explore area and unit pricing to determine which HDTV offers the most screen area for…

It’s 4th down. Should you go for it? Punt? Kick a field goal? Instead of using your gut, use research, data and math to make the right call … The graph below gives the recommended option for 4th down situations for…

Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface area, reasoning explanation, and diagraming! An X-box is…

At the Toys R Us store, I saw an amazing LEGO creation. He was a life-sized LEGO fireman with a walkie-talkie, an oxygen tank and even an oxygen tank gauge. He must have taken a long time to build. Let…

My friend from Boston created this list of cities that had won championships (in the last 10 years) in the four major national leagues. What does this list make you wonder? Which city has the best teams? How do you…

François Englert and Peter W. Higgs François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire mass. In 1964, they proposed the theory independently of each other. In 2012,…

Tom Lehrer is a singer, songwriter, satirist, pianist and mathematician who has written some wonderful songs. In 1959 he wrote a song called “New math”. At that time, much of mathematics teaching was reoriented. Parents of elementary school aged children…

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park. In this activity we ask students to examine various maps of this California region, calculate distances using map scales, draw conclusions about the nature of fighting fire here,…

Clicking on the image will show it larger. I’m not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison. I decided to practice with the numbers…

Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a feel for this adventurous career as they calculate…