We stumbled upon this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks coffee? What is the whole circle worth? How do you…

Clicking on the image will show it larger. I’m not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison. I decided to practice with the numbers…

Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a feel for this adventurous career as they calculate…

Let your student study American Idol viewing figures over the last eleven seasons. Students compare historical season premier and season finale audience size in several different ways to determine which event has had higher viewership.

Five friends who skateboard and video tape made up a strange dance one afternoon and filmed it on February 2nd. Now the whole world knows them and their dance … weird. This is the story of the life of a…

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their needs are precarious as they calculate…

The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager’s environments are changing. They are receiving more high-energy particles streaming

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.…

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…

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…

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?

Act One: The world record for the tallest structure made of Legos was recently set in Seoul, South Korea. Check out the pictures and video below: How much do you estimate that it costs for only the materials, to build this tower?

This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating the branch’s length, they calculate how many logs…

How long will it take me to download the video game? This can be done as a 3 Act Task. To get started simply show the video and following picture to your class. ACT ONE: I decided to download a…