Is the Electoral College fair?
Show your students this really cute segment comparing how the Electoral College functions in our elections to what students think is fair and just. From the New York Times, Electoral ...
Number Sense
Genres
Grade
2 Hiking Activities
How much food do you need to carry to hike the Appalacian Trail?
The AT is a hiking trail that begins in Georgia and ends on Mount Katadin, Maine. Fall is a beautiful time to be outdoors or on ...
Can you show that the Pythagorean Theorem works?
Use this activity to help your students work through the meaning of the Pythagorean theorem. Pythagorean theorem experiences are often skill and drill work with contrived right triangle problem...
USPS needs help!
The U.S. Postal Service has been in the news lately. Does it seem like your mail takes longer to reach where you have sent it now? Do you wonder why there are delays and whether things w...
How fast will my new puppy mature?
Dudley, born 11/10/2019
Dudley has just come to live with us. He is just a puppy and he is full of energy. He's settling in well even though this is only day 3 of him living with us.
T...
Really stuffed!
Wow, these cookies look really stuffed!
How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...
String design, ellipses, and orbital mechanics
Here's a different and somewhat artistic way to encourage understanding of a conic section. Participants physically build an ellipse by choosing two foci and sketching the fi...
Tiny vacuum with a huge reach
From the vacuum description and advertisement in the PDF, how long do you think its cord must be?
Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.
Microns and Masks
How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Stock Market headlines - Biggest losses since 2008
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
Data and probability
This year the Dow Jones Industrial Average made headlines as it dropped in March and April.
The Dow is measured in points but this decline can also be measured in the percentage lost. W...