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Eliud Kipchoge breaks 2 hour marathon barrier. On October 12 th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a...
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated...
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos. And they will also...
The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they...
Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that...
Image by Twitter user @pjmdoll. Math doesn't usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer...
We've gathered some data on movie ratings and their sequels and asked students to analyze the data, decide on some analysis and debate (with their mathematical data) which...
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to...
Worldwide Nike supports many teams and athletes. They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth? Is the company going...
Can you see the many spirals in this design? Students calculate the size of each increasing round of squares and consider what sort of spirals these must be....
Revised! We're watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins...
What happens when you take 50% off again after taking 50% off at first? Students examine this retailer trick of giving double discounts. What happens to the price...