#### Abarbarian

##### Acruncher

- Joined
- Sep 30, 2005

- Messages
- 10,527

- Reaction score
- 967

**1. Teaching Maths In 1970**

**Evolution of British maths teaching**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 2008

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

دولار. صاحب تكلفة الانتاج من100أ المسجل تبيع حموله شاحنة من الخشب من اجل

الثمن. ما هو الربح له؟