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1、2022年高中英語(yǔ) Unit 1 Great Scientists（第6課時(shí)）Listening and speaking教案 新人教版必修5(I)
Step 1 Homework checking
P5, Ex 3., P43, Using structures Ex.2
Step 2 Lead in
P44, Ex 6 “Can you solve the problem?”
T: Do you know why you can’t go over it without missing any points or going over a line twice?
S
2、tep 3 Listening P44
1. “Who is Leonhard Euler? What achievement has he made?” Then go over Ex.1 and teach new words
2. Listen to the tape twice
1st listening:
2nd listening:
Step 4 Reading----- Finding The Solution ( P45 )
1. Background
Leonhard Euler (1707-1783)
Born: 15 April 1707
3、in Basel, Switzerland
Died: 18 Sept 1783 in St 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 prehending
4、
1) Q: What is Euler path?
Can you go over it without missing any points or going over a line twice?
A A A
F
D D F E
B C B C B C
Euler said, “
5、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.”
2) underline some useful phrases
3) Try to prove Euler rule
Step 5 Play a Puzzle game (Work out puzzles on 46 or leave it as HW)
Step 6 Homework
1. P42 Ex. 3 Translation (on exercisebook)
2. Review the words for tomorrow’s dictation.
3. find out information of Copernicus( Who is he? What achievement did he make? When? …) and find out the names of the nine planets of the solar system. You can try this following
2022年高中英語(yǔ) Unit 1 Great Scientists（第6課時(shí)）Listening and speaking教案 新人教版必修5(I)
