Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795.
In honor of Independence Day we thought it would be fun to look at one story about the first American Flag.
The rough desig...
Geometry
Genres
Grade
Penny Wars anew
Act One: Check out all of the pennies! What questions come to mind?
If you want the most money, which container should you pick?
What information do you need to answer this...
Do caffeinated drinks have similar amounts of jolt?
We found this interesting caffeine infographic at visual.ly.
Wonderings?
How many McDonalds coffees do I need to get the same amount of caffeine that I would get i...
Tree for Springtime
Here in the Northeast, flowers are blooming and trees are leafing out.
We thought the creation of a tree that grows before your eyes might be akin to what is going on all around us.
What d...
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...
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 ...
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...
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...
I bought toilet paper online
We needed more toilet paper at home but there wasn't any at the store.
So, I ordered this online. When it came I was surprised. Read on ...