Lots of Cranberries
The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for Thanksgiving.
In this activit...
Geometry
Genres
Grade
Total lunar eclipse
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025.
Luckily, many of us will be able to see the eclipse pretty close to when we woul...
How many gumballs are there?
Gumball Machine Problem from Brian Marks on Vimeo
This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file w...
Shooting for Three
The NBA court has a 3-point line that separates how many points a player will earn for his team by making a basket from outside of that line. Teams have been shooting more and more th...
How big of a crepe can you make?
At Costco you can buy this huge tub of nutella. It contains nearly 7 pounds of chocolaty-hazelnut spread.
We use nutella to make banana/nutella crepes. How long will that tub last u...
What can you tell about a snowflake?
As a snowflake falls from the sky, its crystal grows according to the humidity and temperatures of the air that it passes through.
In this activity, students interpret a graphic that clarifies ...
Wrapping presents on the diagonal
Dr. Sara Santos is a popular mathematician and speaker on mathematics. She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (W...
2 New Macy's Parade balloons
As the Macy's Parade returns to public viewing, here are two balloons that Macy's artists have added. Can you figure out their dimensions? Macy's give their dimensions in bicycle lengths, taxi w...
Collecting the most candy
Use your student’s Halloween enthusiasm to do a study on volumes. We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing. ...
Watson saves
Ben Watson, former American Football tight end, made a remarkable play in 2005 that will forever remain one of the all-time great tackles.
The play was in the 2005 AFC divisional...