Greasing light poles
The Philadelphia police were being proactive about keeping their enthusiastic Eagles fans from being reckless as they celebrated their 2018 Super Bowl win. So, the police departments...
Math and Social Studies
Genres
Grade
Cost of hosting Olympic games
Hosting the Olympics sure does cost a lot. Why is that? How much money is $5 billion dollars? What is a cost overrun? Why would a country want to spend that much money to host and Olympic Game...
The Olympic Torch trip in South Korea
On October 24, 2017, the Olympic flame was captured on Mount Olympus, Greece. That flame lit one of this year's Olympic Torches and the Torch relay was begun on its way to the opening Winter Olympic...
Immigration numbers
Here's an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate.
Start your class with this ...
Saving Water Bottles
In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water....
Patriots' Day
In Massachusetts, Monday April 15th, 2019, will be a holiday from school and work. We celebrate Patriots' Day on the 3rd Monday in April to commemorate the beginning of the Revolutionary War a...
What does 95% confidence in the poll results mean?
There have been a lot of polls about who will win the Presidential election.
I get so confused when polling results are reported. What is a 95% confidence measure? What's the margin of ...
Have a heart
Clicking on the image above will show the heart larger in a new window.
Canstruction® is an event hosted in more than 150 countries throughout the world to demonstrate "innovation, hunger ...
Civil rights marches, how do you count a crowd?
On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his histo...
$10,000 a week or $10 million all at once?
This activity is accessible to student elementary through high school with varying depth of study.
Would you rather have $10,000 a week or $10 million all at once?
What kinds of things do we nee...