More for π Day! On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you…

Parametric graphing, heart area, chocolate volume, making a heart-shaped cake, pie charts of holiday candy sales, how many cans in a can heart canstruction, where do all of those flowers come from, best deal on bagged candies, making a cardioid … Valentine everything!

Data on the National Mall sites – Two data analysis activities about the National Mall. Who do we honor? – What people or events are included in the National Mall monuments? Students use fractions or percents to decide what they can notice…

Sunday, April 22nd is Earth Day – There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. Have you seen more Monarch butterflies lately? – Students read charts, do a little research, and make observations…

Green, green river – They’re doing it again. In Chicago, the local plumbers union “dye” the Chicago River emerald green. Students learn the meaning of PPM (parts per million) and attempt to figure out how much dye is used to sufficiently…

Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares. For a finale they color their own spiraling triple. The activity: SpiralingTriples-activity.pdf

Where will the eclipse be seen? What if you are not in the path of totality? Total solar eclipse? What is apparent size? How can the moon seem to cover the sun completely? We’ve created a pretty extensive investigation about…

Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but it looks huge. Use some of the data that was supplied and your estimation skills to gauge the…

… A little more delicious work for the Super Bowl. Students follow a recipe that involves “cutting the cheese” block, figuring how many servings, estimating how many times they need to multiply the recipe by to make enough pretzel bites, and…

We’ve gotten used to believing what we read or see advertised. But sometimes the clerk doesn’t get the sales discount right or something seems a little off. Let students ponder this store menu and see if they can figure out…

Start out this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile? How much snow in volume is on top of the car? How much could that snow weigh? Students try to approximate…

Monday will be the holiday celebrating the life and work of Martin Luther King, Jr. Help students learn about his work towards racial equality as they create one or two time lines. One time line is about the events and…

Sunday, April 22nd, 2018, is Earth Day. Use this activity to demonstrate the various mappings of our 3-d Earth to a 2-d piece of paper. Students compare maps with this famous photo and check to see which characteristics are maintained and…

During the St. Patrick’s Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and attempt to figure out how much dye is used to sufficiently color the…

We stumbled upon this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks coffee? What is the whole circle worth? How do you…