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...
Math and Social Studies
Genres
Grade
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...
Cheap-otle?
mage from Chipotle.
One of my favorite foods is a burrito. One of my favorite places to get a burrito is Chipotle. Their food is delicious and environmentally friendly.
For Hallow...
Flag Art
A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official U.S. flag; decide h...
How did they figure these tips?
Act I: This restaurant bill has the suggested tips, but they are smudged out. What should they be? Consider having students make a fast 5 to 10 -second prediction in th...
The Game of Go
March 9th was the first round of the competition between Lee Se-dol, one of the World's best Go players, and Google's artificial intelligence program "AlphaGo". The first and sec...
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
That sounds like an awful lot of their Facebook shares. They want to help create a better world for their daughter, Max.
I wonder if they will have enough left over to live on?
The...