Population Clock
How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds?
Have a little care about younger children when using this activity. T...
Data and probability
Genres
Grade
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...
How Many Pennies did Otha Save?
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 ...
What's with the plovers?
Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...