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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...
Back-to-school spending is huge, and students might not appreciate what it costs to send them back to, essentially, their job of learning. In this activity, students decide what...
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?...
With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better...
In March 2016, Lee Se-dol, one of the world's best Go players, and Google's artificial intelligence program "AlphaGo" had their first match. (Watch the incredible Documentary ) Exactly...
"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....