Drinks at the Fair
At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it is hot, naturally drink a lot. Whi...
Algebra
Genres
Grade
Fireworks on your calculator
Let your students experiment with their graphing calculators to create a nice fireworks display? We've written a brief activity that questions students about manipula...
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....
New Pirates of the Caribbean (2017) - How profitable?
The fifth Pirates of the Caribbean movie opened on Friday, May 26th ,2017. Your students might be looking forward to seeing this movie and motivated to understand the investment expenses and pr...
Measuring sea level
What does this gizmo do?
We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be.
Then we've...
April's calf was born!
At about 10:00 am, April 15th, April's calf was born. Everyone will be talking about it and smiling constantly.
Here's some fun math stuff to bring with you for Holiday gatherings.
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 ...
Alarming ice cracks on Brunt Ice Sheet in Antarctica
A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice sheet is alarming no...
New baby giraffe
Willow at Baltimore, MD Zoo
Willow weighed 125 pounds at birth and was 6 feet 1 inch tall. She will grow to her adult height of around 14 feet tall in only four years! How big wou...
How did I graph this heart?
What equations did I use to make this beauty?