In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.
Consider sh...
After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
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...
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...
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...
Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface are...
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 ...
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...
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...
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. ...