“Steve leaves behind a company that only he could have built, and his spirit will forever be the foundation of Apple.”… Apple CEO Tim Cook in a memo to Apple employees. Students can honor Steve Jobs and be involved in an…

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…

Friday, April 29, 2011, at 11:00 a.m. will be the much talked about wedding of Brittain’s Prince William and Kate Middleton. Engage and inform your students in an investigation of percents, proportions, exchange rates, time zones and Royal memorabilia. everything-royal-wedding.doc …

Video games continue to be a hot seller and a must-have for millions of gamers around the world. The recent releases of the Xbox 360 Kinect and the Nintendo 3DS have been big sellers and will probably be the big…

This investigation will help you and your students to better understand the magnitude of normal, background radiation and the more serious radiation exposure that comes from nuclear accidents. Students will gain a realistic perspective on the seriousness of any event.…

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…

As of May 28th,2010 it is believed that the early estimate of 210,000 gallons of oil (around 5000 barrels) per day of oil leaking into the Gulf of Mexico was much too low. The flow rate was revised on May…

Everyone is talking about the new Apple creation. Use Brian’s activity to analyze its costs, price per GB, and sales predictions. ipad.pdf For members we have an editable Word docx and solutions. ipad.docx ipad-solution.pdf

In 2010, March was so rainy that flooding was the topic of every newscast and many, many conversations. The picture shows how students went home from school in Wayland Mass. on March 31st – on a Duckboat. This two page investigation asks…

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…

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…