**Teaching Maths In 1970**

A logger sells a truckload of timber for $100.

His cost of production is 4/5 of the price.

What is his profit?

**Teaching Maths In 1980**

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?

**Teaching Maths In 1990**

A logger sells a truckload of timber for $100.

His cost of production is $80.

Did he make a profit?

**Teaching Maths In 2000**

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.

** **

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.)

**Teaching Maths 2018**

Ã ÇáãÓÌá ÊÈíÚ Íãæáå ÔÇÍäÉ ãä ÇáÎÔÈ ãä ÇÌá 100

ÏæáÇÑ. ÕÇÍÈ ÊßáÝÉ ÇáÇäÊÇÌ ãä ÇáËãä. ãÇ åæ ÇáÑÈÍ áå¿

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we are so screwed!

Calculators are the answer. Calculators and Lobster; the answer to all our probs.