2022年高中英语 Unit 1 Great Scientists（第6课时）Listening and speaking教案 新人教版必修5(I)

2022年高中英语 Unit 1 Great Scientists（第6课时）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 inP44, Ex 6 “Can you solve the problem?”T: Do you know why you cant go over it without missing any points or going over a line twice?Step 3 Listening P441. “Who is Leonhard Euler? What achievement has he made?” Then go over Ex.1 and teach new words2. Listen to the tape twice1st listening: 2nd listening: Step 4 Reading- Finding The Solution ( P45 )1. BackgroundLeonhard Euler (1707-1783)Born: 15 April 1707 in Basel, SwitzerlandDied: 18 Sept 1783 in St Petersburg, RussiaEuler 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 prehending1) 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 EB C B C B CEuler 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.”2) underline some useful phrases3) 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 tomorrows 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