In a packed session this afternoon at ISTE 2012 here in San Diego, a panel of nine educators, as well as two moderators presented their ideas and experiences with "flipping" their classrooms. The session was led by Aaron Sams and Jonathan Bergmann, two chemistry teachers who pioneered the flipped learning model back in 2006.

Science, engineering, and technology permeate nearly every facet of modern life and hold the key to solving many of humanity's most pressing current and future challenges. The United States' position in the global economy is declining, in part because U.S. workers lack fundamental knowledge in these fields.

Please be patient while this page loads -- it takes several minutes. But it does include, after all, the entire universe. You may see a blank space below, then a gray box. Stick with it. When it's finished loading, prepare to be mesmerized.

Challenging math word problems for kids

Here is a list of all of the skills that cover word problems! The skills are organized by grade, and you can move your mouse over any skill name to see a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will even increase in difficulty as you improve!

Another site that could be shared with parents that are looking for examples of problem solving activities to do with their child

Great website to share with parents that has examples of open ended math problems.

Definition of planet changed

The universe is mostly empty space. Even in a "crowded" region like our solar system, the distances between planets are so vast that they are difficult to imagine. This animation simulates a voyage from the sun past all nine planets. For convenience, the planets are lined up in the same direction.