How many dollars worth of sweetheart candies used to be sold each Valentine’s season? How much is one candy worth? After Valentine’s Day their price is reduced. How much are they worth then?

In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores. They are asked to judge which of these central measurements seem the most meaningful and explain their reasoning.

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…

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!

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.

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?