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....
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...
How did I graph this heart?
What equations did I use to make this beauty?
$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...
3 winners on the Price is Right - what are the chances?
Act One: Show this clip of the Price is Right program. What questions do your students have?
We were wondering what the chances are of 3 contestants in a row, eac...