As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching and…

This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a good use for all of that leftover candy.

I’m going to make a costume pattern to sell. People can buy my plan and make awesome, long, full, scary, ghost costumes. This scheme will be so simple. Perhaps I’ll get rich! In this activity young students can reason about…

Ooooo. Scary! This is a slightly didactic activity on vampire bats. We’ve given lots of interesting metric and customary unit facts and asked students to relate those sizes to more familiar objects. Simply enjoy the season with this slightly creepy activity…

Celebrate π in your school and in your math class with activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to measure and long divide; applauds the talent of…

Will we have a 29th of February this year? How can you tell? Students work with a flow chart to deduce what years are going to be leap years. They learn about the exact measurement of a solar year and…

Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook. We’ve created an activity based on her Monster Cake (composed of everything that Cookie Monster loves) from her blog Binomial Baker. Students find the surface…

We usually give our ages in years, but that isn’t very precise is it? In this activity students find their age in days, hours and minutes. First students take two minutes to estimate their age in days, hours and minutes.…

Passover begins this year on Monday evening, April 10th, 2017, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish religion and celebrates the Exodus of Jews from slavery in Egypt. Let your students…

Vespa mandarinia In AnKang, China in Shaanxi province, giant hornets have injured and killed scores of people. Government officials are now trying to eradicate these insect’s hives and have destroyed about 4,500 nests so far. The Asian giant hornet is the…

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park. In this activity we ask students to examine various maps of this California region, calculate distances using map scales, draw conclusions about the nature of fighting fire here,…

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their needs are precarious as they calculate…

Act One: Check out all of the pennies! What questions come to mind? If you want the most money, which container should you pick? What information do you need to answer this question? What assumptions must you make to solve…

Use this activity to help your students discover the Pythagorean theorem. Pythagorean theorem work is often skill and drill work with contrived right triangle problems. In this activity students work with a visual representation of the Pythagorean theorem in order…

This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating the branch’s length, they calculate how many logs…