# Category: Algebra

## Cruising

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…

## Snow Days

Here are some pictures from a recent snowfall at my house.  How Much Snow Did I Get?  Have students make an estimate.  Ask them for a guess that is probably a little too low and one that is probably too…

## Voyager on the edge

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

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.…

## 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…

## 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.

## 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…

## Fish tale, go figure

Whoa!  I have two fish in my aquarium.  Betty, my white goldfish always stays really close to the front wall as she swims towards her food.  However, Stripe, my striped goldfish swims diagonally across the tank to the back top…

## Pythagorean Theorem

Use this activity to help your students discover the Pythagorean theorem. Pythagorean theorem work is often skill and drill work with contrived right triangle problems.  In this activity students work with a visual representation of the Pythagorean theorem in order…

## Watson save

We can’t get enough NFL.  Check out the video above that revisits a truly great NFL playoff play. In the 2005 AFC divisional championship game between the New England Patriots and the Denver Broncos, Benjamin Watson stopped a touchdown in…

## Storm cleanup

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…