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...
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...
Will the November 8th 2022 election bring record number of voters to the polls? Students get a chance to understand what the usual percentage of voters is, look for trends and central tende...
Brian has spent too much time thinking about his leaves. He's worried about raking them alone and thinking about how long the job would take if people helped.
In this activity students see the inve...
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...
In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could buy a lot more than you can buy today for...
5 pound pumpkin compared to giant pumpkin
Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and th...
In this activity students compare team wins with team salaries in the four major North American sports ... the NBA, NFL, MLB and NHL.
Students use data from recent seasons to create scatter ...
Did you know that there is an amount of caffeine that is too much for the growing brain of a teenager? We did some research and have asked students to examine the sources of caffei...
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...