Monthly Archives for May 2010
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 … Continue reading
Souvenirs and Concessions at the Game
Brian introduces systems of equations with these problems that use the costs of stadium purchases for food and souvenirs. He says that these systems of equations puzzles are motivating and so intuitive that very little support is needed from the … Continue reading
Chocolate Milk and Mixture Problems
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 … Continue reading
