Math Education History

The history of teaching math in the US:

**Teaching Math In 1950:** A logger sells a truckload of lumber for $100. His cost of production is 4/5 of the price. What is his profit? **Teaching Math In 1960:** A logger sells a truckload of lumber for $100. His cost of production is 4/5 of the price, or $80. What is his profit? **Teaching Math In 1970:** A logger sells a truckload of lumber for $100. His cost of production is $80. Did he make a profit? **Teaching Math In 1980:** A logger sells a truckload of lumber for $100. His cost of production is $80 and his profit is $20. Your assignment: Underline the number 20. **Teaching Math In 1990:** By cutting down beautiful forest trees, the logger makes $20. What do you think of this way of making a living? Topic for class participation after answering the question: How did the forest birds and squirrels feel as the logger cut down the trees? (There are no wrong answers.) **Teaching Math In 2005:** El hachero vende un camión de carga por $100. La cuesta de producción es...