Figuring planting dates
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...
tags: Data and Probability
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Data and Probability
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The Game of Go
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...
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
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...
Thank you, mother and father, for all of those diapers
Thank you Mother and Father for all of those diapers
Which is a better deal, cloth or disposable diapers? How much did you cost your parents in diapers? In the future how much could...
California water measurements - chains, links, and furlongs
[caption id="attachment_17570" align="aligncenter" width="263"] Gunter's chain[/caption]
Help your students understand what they are reading or hearing about the California drought. Terms like acr...
Which Sweet Hearts are the Best Deal?
I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online. Which should I select?
In this activity students determine w...
Deflategate
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...
How much does a Lego cost?
This is a three act task, with an activity guide. Show students the act one video. What questions do they have? How much could the Star Wars kit cost? Follow the activi...
Kilauea's lava flow
[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption]
Th...
An ounce of cola
Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After finding the per ounce price, ...