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 …

# Number Sense

# Budget talks

Show our debt clock to your class and ask your students some questions. What do you see happening on this clock? When will the U. S. hit the next trillion dollars deficit milestone? How fast is the deficit increasing every…

# Video game console sales

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…

# Radiation amounts

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.…

# 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…

# Oil Spill!

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…

# ipad

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

# Geometry of Flooding

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…

# 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…