Pascal's Triangle and Probability - This activity could be used to explore the probability of coin tossing results. When the combinations get too complicated to list, students can u...
It's time to get ready to plant my garden again. But here in Boston we have to start our seeds indoors to give them a head start before we can put plants outside. How should I fi...
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...
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...
This can't be right! If my flight cost $200 and I stayed for 10 days it would be free. Right? You can kick off this activity by asking students to think about where in the...
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...
The deflated ball controversy makes an interesting segue into negative number line understanding. A particular digital psi football gauge reads 0 when the ball is at a proper NFL in...
This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise functions.
Act One: We missed the semi-annual sale but we want to get ready...