Lighting the 2022 Olympic Torch
On October 18th, 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit by concentrating the rays of our Sun. From Olympi...
Geometry
Genres
Grade
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...
Steepness and fall hiking
Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside. Let them combine what they ...
That's a big tomato!
These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.
How much do you guess one weighs? Can you figure it out?
Let's learn to gerrymander
In this activity student first try to redistrict our pretend state in order to preserve the overall state's balance in its new districting plan. Then, students redistrict our pretend state in a ...
Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795.
In honor of Independence Day we thought it would be fun to look at one story about the first American Flag.
The rough desig...