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 and Blackhawks went into 3 overtimes. People stayed up way too late…
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is? Do you know how big a carat is? What would this look like on a ring on your finger?
TJ Watt was fined for roughing the passer. Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem – solving for the “whole.” JUST IN: @_TJWatt lost 38% of his…
Warriors won the NBA Championships. Randall won’t have to buy jerseys! The Cleveland Brown’s safety player, Damarious Randall, posted this tweet. Its been very popular and retweeted a lot. How much might he have to fork out for jerseys? Let’s…
On December 31st, 2017, the Cincinnati Bengals beat the Baltimore Ravens. The Ravens’ loss clinched the Buffalo Bills’ rise to the AFC playoffs. The Bills sent a thank-you gift of Duff’s famous chicken wings and sides to the Bengals. Seems…
McDonald’s was offering an “Arch Card” special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered at some McDonald’s restaurants…
Which holidays are associated with candy? For which of those holidays is the most candy sold? What percents of annual candy sales does each holiday contribute? Consider using some independent think time, then small group discussion, then whole group discussion as…
How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2
Note: This is a remake of our 2014 “How Much Does a Lego Cost” activity How much could the Lego Millennium Falcon cost? Student first make a guess and then think about what information would be useful in order to…
Where will the eclipse be seen? What if you are not in the path of totality? Total solar eclipse? What is apparent size? How can the moon seem to cover the sun completely? We’ve created a pretty extensive investigation about…
The fifth Pirates of the Caribbean movie opened on Friday, May 26th. Your students might be looking forward to seeing this movie and motivated to understand the investment expenses and profit expectations. Our data and questions will help them judge this…
What does this gizmo do? We’ve given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we’ve given them the data that was collected from…
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but it looks huge. Use some of the data that was supplied and your estimation skills to gauge the…
At about 10:00 am, April 15th, April’s calf was born. Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity: April’s-calf.pdf
In Massachusetts, Monday April 15th, 2019, will be a holiday from school and work. We celebrate Patriots’ Day on the 3rd Monday in April to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students…