Inauguration Date
The date of the Presidential Inauguration this year can be written in an interesting way.
What do you notice? What do you wonder? Do you think that this happens often in a yea...
Geometry
Genres
Grade
December 21, 2020 - Great conjunction
Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they app...
Ravensburger huge puzzle
This puzzle is gorgeous and HUGE!
Ravensburger says that if you spent 2 hours every day putting this puzzle together it would take you a year to finish.
What do you wonder?
Students ...
Monster cake
Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook. We've created an activity based on her Monster Cake (composed ...
How much chocolate is left?
In this short activity, students reason and calculate what is left of these chocolate bars. The bars are the same size but are molded into different number of sections. Which one has...
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...
Ramen noodle heist
In 2018, a truck trailer was stolen from a parking lot in Georgia. The trailer was filled with Ramen noodle packages and its contents were valued at $98,000.
What do you wonder about this heist?&...
Do you want to be an NBA virtual fan?
For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people. Some use Zoom screens ...
How big is this hornet really?
Egad !!!!
Giant Asian hornets have now migrated to Washington state and British Columbia. Even though they are sometimes called "murder hornets" their stings aren't fatal. The...
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...