How often does Punxsutawney Phil get it right? Relative frequency! A cute animal will make your students smile as they calculate the relative frequency of Phil’s correct past predictions.

Recently the Mega millions’ jackpot was won in Maine at 1.35 billion dollars. Last year, someone won 2.04 billion dollars in Powerball. Students examine compound probability and decide whether playing Powerball or Mega millions is worth it.

A combination of 10 Heavenly Stems and 12 Earthly Branches, the year’s symbol creates a sequence of year names that eventually repeat. Students explore the least common multiple of these two cycles without ever hearing the term LCM.

The median age of countries is used to predict the future needs of each country. What are the ramifications of a predominately young population or a predominantly older population, Why do scientists use the median measurement to study this?

Timelines for the life and work of Martin Luther King Jr. – Students create one of two timelines about Martin Luther King Jr’s life or the efforts in America to create a more fair racial balance in the U.S. …

Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn’t that make this the warmest time of the year? In this activity students become familiar with the terms perihelion and aphelion as they calculate…

What does truncation mean? How is the Times Square Ball related to an icosahedron? Let students learn about the crystals and the LEDs that create this beautiful construction.

We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!

In this 3-act task, your class guesses how many feet of lights you will need to light your tree. Then gather data from groups and find means or medians. Then actually calculate an estimate given tree dimensions.

In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. I have to wrap this box. ⇒ ⇐ …

Students use the National Weather Service’s chart to look for patterns, make predictions, decide how many ways the wind-chill could be -22 degrees F, and compare the formula’s outcome with their chart predications.