Author: Leslie

Welcome back to Cleveland Lebron

Lebron James left the Cleveland Cavaliers to play basketball for the Miami Heat and to play with his friends, Chris Bosh and Dwyane Wade. Lebron just made his return to the area he grew up in and where he started…

Rapunzel

Disney’s animated movie, Tangled, came out in 2010. We’ve shown students some of the Brothers Grimm’s original fairy tale along with giving them a glimpse at the physics involved in the animation of Rapunzel’s hair. Ratios are needed to estimate…

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…

Benoît Mandelbrot

        In October, 2010, Benoît Mandelbrot died in Cambridge, Massachusetts. To honor his life and work in fractals and natural recurrence, we’ve created an investigation that teaches students a little about Mandelbrot’s life, a little about the…

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…

BP and the stock market updated

The oil company, BP, has spent billions of dollars to stop and clean the oil spill, clean the coastline, and settle claims of industry loss and damage in the region. Needless to say, the value of BP stock has been…

Two to the … s

Let your students practice exponents, fractional exponents, and roots with this powerful assignment that asks them to compute impressive mathematics in their heads. If you list the values of various 2 to the … s then you can ask students…

Quadratic formula on your calculator

You can program your TI calculator so that a quadratic equations can be solved quickly by just plugging the X ² coefficient, the X coefficient, and the constant into your calculator. Arrange your equation in this form: AX² + BX…