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Dia de los Muertos
Dia de los Muertos

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...

Algebra Number Sense Grades 5–7
Scary Halloween Numbers
Scary Halloween Numbers

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...

Algebra Number Sense Grades 6–7
Boorito
Boorito

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...

Number Sense Food Grades 5–7
Halloween Candy Buy Back
Halloween Candy Buy Back

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...

Number Sense Food Grades 5–7
That massive chunk of ice
That massive chunk of ice

A family in Illinois found a 6.6-inch chunk of ice in their backyard after severe storms in March 2026. Students order different hail sizes by comparing fractions with...

Number Sense Science Grades 4–5
Autumnal Equinox
Autumnal Equinox

The Autumnal Equinox will occur on Tuesday, September 22, 2026, at 8:06 pm EDT. It is the time of year when an imaginary plane would pass through both...

Algebra Science Grades 6–8
NFL Home Field Advantage
NFL Home Field Advantage

With a new season starting soon, a sk them whether they think a game played at home gives their team an advantage. If so, how much of an...

Sports Grades 6–7
Back to School Costs
Back to School Costs

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...

Number Sense Social Studies Grades 6–HS
National Donut Day (2 activities)
National Donut Day (2 activities)

Friday, June 5th, is National Donut Day . We have 2 activities to support this silly holiday. How much have doughnuts changed? Students become familiar with the word...

Algebra Geometry Grades 5–HS
NBA Finals 2026
NBA Finals 2026

Teams are competing in the playoffs, and the NBA Finals are right around the corner. Let's do a little sports history and data analysis through the context of...

Sports Ratio and Proportion Grades 6–8
Memorial Day 2026
Memorial Day 2026

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...

Number Sense Holidays and Annual Events Grades 5–8
Mother’s Day by the numbers
Mother’s Day by the numbers

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...

Number Sense Holidays Grades 5–6