The Evolution of Teaching Mathematics

1. Teaching Math In 1950's;  A logger sells a truckload of timber for $100. His cost of production is 4/5 of the price. What is his profit?
2. Teaching Math In 1970's; A logger sells a truckload of timber for $100. His cost of production is 4/5 of the price, or $80. What is his profit?
3. Teaching Math In 1990's; A logger sells a truckload of timber for $100.  His cost of production is $80. Did he make a profit ? Yes or No
4. Teaching Math In 2000's; A logger sells a truckload of timber for $100. His cost of production is $80 and his profit is $20.  Your assignment: Underline the number 20. 
5. Teaching Math In 2015's; A logger cuts down a beautiful forest because he is selfish and inconsiderate and cares nothing for the habitat of animals or the preservation of our woodlands.  He does this so he can make a profit of $20. What do you think of this way of making a living? Topic for class participation after answering the question: How did the birds and squirrels feel as the logger cut down their homes? (There are no wrong answers, feel free to express your feelings  e.g., anger, anxiety, inadequacy, helplessness etc.) Should you require debriefing at conclusion of exam there are counselors available to assist you.
6. Teaching Math In 2025; هاتشيرو تبيع كارلواد من نهاب 100 دولار.   تكلفة الإنتاج هو 80 دولاراً. كيف الكثيرمن المال ولم