Devolution of British maths teaching

1. Teaching Maths In 1970

A logger sells a truckload of lumber for ?100. His cost of production is 4/5 of the price. What is his profit?

2. Teaching Maths In 1980

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?

3. Teaching Maths In 1990

A logger sells a truckload of lumber for ?100. His cost of production is ?80. Did he make a profit?

4. Teaching Maths In 2000

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.

5. Teaching Maths In 2007

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. )

6. Teaching Maths 2017

أ المسجل تبيع حموله شاحنة من الخشب من اجل 100 دولار. صاحب تكلفة الانتاج من الثمن. ما هو الربح له؟