Instead of asking students to just believe what you’ve said, why not ask them to verify your assertions? Students plot the points of the stream, perhaps map them with an equation generated by Excel or their calculator, and then use…

Sunday is Father’s Day and there is still time to have a tiny fraction review in the guise of celebrating Father’s Day. This is a short activity that asks students to change the amounts in a blueberry muffin recipe to…

Most of the life cycle of the Magicicada Septendecim is spent underground. Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into adults, mate, lay eggs, and die. Why does the 17 year interval…

Monday, April 17th, 2017, is the official holiday this year to remember the Battles of Lexington and Concord that began the Revolutionary War 242 years ago in 1775. (The actual date was April 19th, 1775) Both Paul Revere and the…

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…

Valentine’s Day is here again and that means candies and chocolate. In this activity students approximate the volume (through finding surface area) of three different pieces of chocolate. The chocolates are shaped like a heart, a bat (for Halloween) and…

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

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…

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…

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…

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.

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

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…

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…

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.