Don’t worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad. The activity: Friday-the-13th.pdf CCSS: 5.OA, 6.EE, 8.F, MP1, MP7, MP8

Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic. What can you tell and what would you like to know?

Students work with the geodesic icosahedron of the Time’s Square Ball by slicing an icosahedron. How are properties valued according to their distance from GO in the game of Monopoly? Games with dice; puzzles; probabilities; and more.

What’s the big deal with our national debt? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and their families) understand the meaning and repercussions of too much debt. The…

Sunday, September 19th is talk like a pirate day. Bring some humor and marketing understanding into your class with this activity about a silly holiday that has had viral growth.

This is the season for increased cyclonic activity around the globe. Typhoons, Hurricanes, and Cyclones are measured with an Accumulated Cyclone Energy score (ACE). Does it correctly describe these events?

On August 14th, Haiti was hit with a powerful 7.2 magnitude earthquake. What does a 7.2 magnitude earthquake imply? What’s a seismometer. What is the amplitude of a seismograph and what does it mean? Use our Richter scale activity to introduce your students to logarithmic Richter magnitudes.

In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with properties), students create scatter plots. They…

Here in the Northeast, flowers are blooming and trees are leafing out. We thought the creation of a tree that grows before your eyes might be akin to what is going on all around us. What do you see that…

Students interpret the graph relating draft pick number and contract value. They consider how much being selected earlier or later, either by a few picks or rounds effects a player’s earnings and if players should really be concerned with where in the order they are selected.

What’s your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.

Sunday, June 20th, 2021 Sunrise on summer solstice at Stonehenge On Sunday, June 20th, at 11:31 pm EDT, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year. This marks the…

Thank you Mother and Father for all of those diapers – Which is a better deal, cloth or disposable diapers? How much did you cost your parents in diapers? In the future how much could your kid’s diapers cost? Help…