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The Day of the Dead (Día de los Muertos) is celebrated on November 1st and 2nd, right after Halloween. Hot chocolate is a traditional, comforting drink for the...
Each year, we seem to spend more on Halloween! Are we surprised? In this updated activity, students will look at the rising Halloween participation and record-breaking spending to...
Every Halloween, Chipotle runs a promotion called Boorito. In 2025, Chipotle Rewards members who showed up in costume on October 31 could get a burrito, bowl, or other...
Shortly after Halloween, individuals and businesses (especially dentists) collect donations of extra unopened candy to create care packages to send to soldiers and first responders. Some businesses will...
Memorial Day is a US holiday observed on the last Monday in May. Who are we honoring? How did the holiday come about? Isn't Memorial Day usually on...
Mother’s Day is right around the corner, and that means big business for the greeting card, flower, and restaurant industries. In this activity, students calculate the average Mother's...
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?...
"How many Peeps do you think are sold for Easter in the U.S.?" In this updated activity, students start by making their own guesses for the number of...
5 Activities for π day! What is π? The logic of finding the perimeters of inscribed and circumscribed polygons as the number of sides to the polygons increases....
The 2026 Lunar New Year falls on Tuesday, February 17. In this updated activity, students will explore the unique naming system of the Lunar New Year, which combines...
Celebrate Valentine’s Day with our activities: Have a heart (Canstruction) Students use reasoning and approximation to analyze the number of cans of food contained in this one giant...
This year, the 30-second Super Bowl ads will cost about 8 million dollars! Do you wonder how much one ad will cost next year? In 5 years? In...