# Math in the 20th and 21st Centuries

1. Teaching Math 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?

2. Teaching Math 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?

3. Teaching Math In 1990
A logger sells a truckload of timber for \$100.
His cost of production is \$80.
Did he make a profit?

4. Teaching Math 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.

5. Teaching Math 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 Math In 2018
Ø£ Ø§Ù„Ù…Ø³Ø¬Ù„ ØªØ¨ÙŠØ¹ Ø­Ù…ÙˆÙ„Ù‡ Ø´Ø§Ø­Ù†Ø© Ù…Ù† Ø§Ù„Ø®Ø´Ø¨ Ù…Ù† Ø§Ø¬Ù„ 100 Ø¯ÙˆÙ„Ø§Ø±. ØµØ§Ø­Ø¨ ØªÙƒÙ„ÙØ© Ø§Ù„Ø§Ù†ØªØ§Ø¬ Ù…Ù† Ø§Ù„Ø«Ù…Ù†. Ù…Ø§ Ù‡Ùˆ Ø§Ù„Ø±Ø¨Ø­ Ù„Ù‡ØŸ

The interesting questions are:

1. The real origin of curriculum changes and the underlying agenda.

2. Will there be a 2028?

Courtesy of Ziva in Israel

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