Act One: Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the fractions have been blacked out. What could the numerators be? Explain your…

I came home from work to find that my son had his cars organized in a tight parking lot on our front porch. How many cars are there? Is it an array and if so, what size array could it be…

Mother’s Day by the numbers – Mother’s Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they analyze the statistics on Mother’s…

Uh oh! How do you find the area of a heart? Get your students to help you calculate how many sequins you’ll need to order for this mother’s day class project. The activity: BejeweledMother’sDayCard.pdf Mother’sDay-card-blank – If you want…

This is the third and final activity in the Pascal’s Triangle series. In this activity students again have the opportunity to color as they investigate Pascal’s triangle and the patterns that it shows. The activity might be used first in…

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…

Each year the Boston Ballet highlights the holiday season with the Nutcracker ballet. In 2014, the Boston Ritz Carlton Hotel’s chef, Andrew Yeo and his pastry team, created a gorgeous and massive Nutcracker cake of macaroons and fondant to celebrate the…

There are walls at the Lego stores that are filled with individual Lego parts. You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity to get your students conferring with each other, making guesses,…

Game one of the 2013 Stanley Cup between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late to watch the conclusion. The teams played 112 minutes and eight seconds of game time. The game went…

Animated films are a billion dollar industry. The two biggest producers of animated films are DreamWorks and Pixar. The two have been going head to head for more than ten years now. So how do they stack up to each…

Activity #1 – Look at the individuals who are memorialized on the National Mall and using fractions or percents decide what you can notice about those we honor. If you would like to show images of the monuments and memorials to…

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…

Happy Holidays! This Soda Menorah was on display in a Florida Target store. It is made up entirely of 12-packs of Coca-Cola products. What questions do you have? Start out the activity by giving kids 30 seconds to look at…

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 quantities that they are familiar with. Simply enjoy the season with this…

It’s Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How long will it take you to get from house to house? You…