Author Archive for Brian and Leslie

Holiday candy sales

Which holidays are associated with candy? For which of those holidays is the most candy is 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…

Super Bowl ad costs still increasing

Budweiser’s “Puppy Love” commercial from Super Bowl XLIII Here’s one more Super Bowl analysis to motivate your students: More than 5 million dollars for a 30-second ad.  That is how much a one-half minute commercial will cost during the 2017…

The Star Wars phenomena continues

Rogue One has only recently come out and grossed nearly 300 million dollars in its opening weekend. We were curious about how often and how profitable the Star Wars movies have been.  So we gathered data on each movie’s budget…

Do I have enough wrapping paper?

I have to wrap this box. In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. …with this wrapping paper …

Fantastic Beasts – What did it cost to make?

In 2001, J.K.Rowling (the author of the Harry Potter series) wrote Fantastic Beasts and Where to Find Them. The movie of this book opened on November 18th, 2016.  This is the first in a series of three movies that are meant to…

Cheap-otle?

One of my favorite foods is a burrito.  One of my favorite places to get a burrito is Chipotle.  Their food is delicious and environmentally friendly. For Halloween 2016, Chipotle is again running a promotion and charity drive.   Chipotle is…

Are these really 70% off?

We ran into this sale online. Is that advertisement correct?  Do they just want us to believe their math and not question what is really 70% off?  Is everything or anything really 70% off?

Extra Point or 2-Point Conversion?

In 2015 the NFL changed the extra point kick distance to 33 yards and now teams have a tough decision to make, go for one or two points?  The one point extra point is no longer a given with a…

Pokémon GO! I should have invested

Pokémon GO is all the rage.  News reports show people glued to their smart phones as they travel to nearby landmarks where virtual critters appear and need to be caught by throwing Pokémon Balls with a phone swipe. Well, at least…

How long until they collide?

Show the beginning of the video. Stop the video at about 39 seconds. Take guesses from students. After students have worked for a while and you have traveled around and selected some students and their work to share, show the rest…

Double Discount

  Wow, check out this sale!  I’m gonna be able to get this great hoodie so cheap!   If I use the promo code what will be the total percent off? The activity: DoublePercentOff.pdf CCSS: 6RP.3, 7.RP.3, HSF.IF.C.8b, HSF.LE.A.1c

David Price, big bucks per …

David Price, a 30-year old pitcher from Toronto’s Blue Jays, was hired with a 7 year contract to be the Red Sox’s new ace pitcher for $217 million dollars.  That is the largest amount ever offered to a pitcher.  But…

Which is the best deal?

How do you calculate and justify which deal is a better savings?  By dollars saved?  By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A