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…

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…

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…

Chemistry experiments and algebra problems sometimes ask students to create percent mixtures or to change a mixture into a stronger or weaker solution by adding more of an ingredient. Students often have difficulty isolating the key concepts involved in this…

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…