How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? Looking at 4 different deals, students will need to...
Ooops!
I was supposed to buy 4 adult and 2 children tickets, but I accidentally entered four children and two adults ... :)
Can you figure out how much a child's ticket and an adult ticket...
What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else?
For Adventurer members we have an editable Word d...
March 9th was the first round of the competition between Lee Se-dol, one of the World's best Go players, and Google's artificial intelligence program "AlphaGo". The first and sec...
Note: This is not intended as a comprehensive activity with solutions. Instead, it serves as a discussion prompt. Have fun!
It's been a crazy winter of extremes through much o...
Otha Anders used picking up pennies as a way to remember to pray. In this 3-act activity we try to estimate how much he actually collected and stored in 5 gallon water jugs. This ...
That sounds like an awful lot of their Facebook shares. They want to help create a better world for their daughter, Max.
I wonder if they will have enough left over to live on?
The...
On August 5, 2010, the San Jose copper-gold mine near Copiapó, Chile collapsed stranding 33 miners in a large cavern more than 2,000 feet below ground. A new movie has just been released about the inc...
Part of the Smithsonian's Sally L. Steinberg Collection of Doughnut Ephemera -- Click on the image to see it larger.
When you are working on volume in your class, you can use this activi...