Number Sense

Happy 14th B’ak’tun!

Clicking on this map of the Mayan territories will open it larger and in a new window Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle…

Whole lot of cookies

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?

Monopoly 2014

In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it ? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with properties) students create scatter plots.…

How many movies can you see in one day?

Robert Kaplinsky at robertkaplinsky.com shared this lesson idea with Yummymath. With plenty of days off from school coming up you plan to spend a day at the movie theater.  You want to see as many movies as possible. Create a…

Twinkies

Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly.  He needs his Twinkies.  Twinkies last forever.  Right?  He’s going to buy enough for 15 years of Twinkies.  In this activity, students examine…

The Fiscal Cliff – sounds scary

We’ve used a graphic to help students understand what is meant by the Fiscal Cliff.  Students will understand some of the terms and study the consequences of two upcoming scenarios.  They will be deducing information from the graphic.

Shopping season begins!

Friday, November 23rd marks the beginning of the holiday shopping craze.  Students will be able to add some understanding and analysis to those shopping trips after calculating savings in dollars and percents

Is this possible?

Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.  He wondered if that size coffee cup could really have coffee in it.  Wouldn’t the car rock back on its rear bumper? How much…

Starbucks, 2012

Time to give students some authentic math on a topic they will surely be interested in … Starbucks.  We ask and answer a few questions in this activity. About how many drinks does Starbucks sell in a year? If I…

Humongous vegetables of Alaska

This summer I visited Alaska and truly enjoyed the majesty of the Alaskan scenerey and the many accomplished people that I met. At the time that I was there, the newspaper’s front page was filled with pictures of huge vegetables…

Curiosity landed on Mars

Keep your students up on what’s happening in space while analyzing Curiosity’s speed, the speed of a radio transmission from Mars, and the deceleration involved in a “sky crane” landing.

Olympic schedule

I found this graphic online that should help me figure out when to try to watch an Olympic event on any day.  The chart seems a little confusing.  Can your students help me figure it out?

Particle News

After almost 50 years of looking for the subatomic particle that could validate our standard model of physics, two teams working at the Large Hedron Collider (LHC) have both concluded the existance of the particle. Familiarize your students with the…

My Facebook IPO investment

What is an IPO?  Are they always good investments? Students analyze charts and data, learn a little about investing, calculate percent loss (unfortunately), and make some Facebook stock projections. facebook-IPO.pdf