# Category: Math and Social Studies

## 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…

## 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.

## 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?

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

## Legos

Act One: The world record for the tallest structure made of Legos was 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?

## The Euro and the international debt crisis

Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In this activity students become familiar with the Euro, practice translating the Euro’s…

## Happy Birthday Statue of Liberty

Friday is the Statue of Liberty’s 125th birthday.  Student’s can practice scaling with ratios, multiplication factors, or similar figures as they engage in the news of the day, learn a little about the statue’s history, see some amazing old photos…

## Approaching Seven Billion people

To see the present world population, go here.  http://www.worldometers.info/world-population/ During the Fall 2011 the 7 billionth human on earth was born. The counter mentioned above gives updated approximations of the current world population.  When will we hit 8 billion people? …

## Occupy Wall Street protest is growing

The Occupy Wall Street (OWS) movement has grown since it began on September 17th.  Students can look at charts that show percent mentions of the demonstrations and calculate the percentage of media mentions, percentage of comment  growth, and the percentages…

## Bank of America Debit Card Fees

Millions of people and businesses use debit cards every day.  Banks didn’t charge customers for their use. Banks actually gave rewards and incentives to customers for using them. So how did banks make money from debit cards?  Banks charged the…

## Unions and Collective bargaining

Protestors at the Wisconsin State House There is a confrontation going on in Wisconsin. Governor Scott Walker is trying to enact legislation that would limit bargaining rights for most public employees in that state … firefighters, teachers, police, child-care workers,…

## Population pyramids of Egypt

Pyramids of Giza Egypt has been in the news lately as young people have demonstrated in Tahrir Square, demanded the resignation of President Hosni Mubarak, and begun the reorganization of their country’s government. News agencies have show population pyramids to…

## Census is complete and Apportionment begins

The 2010 U. S. Census is complete and state reapportionment is about to begin. The process of distributing the 435 Representatives appropriately to each state is a mathematically fascinating event. Engage your students in the calculation of the apportionment so…

## Cholera in Haiti

On January 12th of this year, there was a tremendous, 7.0 magnitude, earthquake in Haiti. Hundreds of thousands of people were killed or injured and a million people became homeless. Then on November 5th, Hurricane Thomas hit Haiti. Huge amounts…

## How many Representatives will your state get in 2011?

The 2010 U. S. Census is almost complete. One of the most important reasons for the decennial census is to determine the number of Representatives that each state should be assigned for proper representation in our House of Representatives. In…