Teaching Aims:
- Improve the students listening and reading skills.
- Learn something about topology.
Difficult and Important Points:
Reading
What is Euler path?
Teaching Methods:
Use Puzzle & Diagram to make the passage clear and easily understood.
Teaching Procedures:
Step I Listening
Listening task P44
Step II. Play a Puzzle game
Can you go over it without missing any points or going over a line twice?
BCBCBC
Euler said, “If a figure has more than two odd points, you cannot go over it without lifting your pencil from the page or going over a line twice.”
Step III. Reading( P45 ) Finding The Solution
1. Background
Leonhard Euler(1707-1783)
Born: 15 April 1707 inBasel, Switzerland
Died: 18 Sept 1783 inSt Petersburg, Russia
Euler was a famous mathematician in the eighteenth century, he introduced a new branch of mathematics called topology. It is a form of geometry that help you understand things by turning them into diagrams.
2.Reading
What is Euler path?
Step IV. Work out the following Puzzles on P45&46.
Step V. Summary
Step VI. Homework assignment