仁愛版初三英語上冊全冊教案1

  s3: 9 839 800 nine million, eight hundred and thirty-nine thousand, eight hundred
  t: you are great. most of you have mastered how to read the numbers. please look at the numbers in 2a. read them together.
2. t: let’s play a number game. i will show you some numbers. read them quickly and correctly in groups.
  (每個小組各選派三位學生，由教師統分，構建評分機制激發學生興趣。)
(板書)
7 398 500  406 000 000  17 602 018 000   676 302 320
  (教師在黑板上畫出計分表。)
g1 g2 g3 g4
3. t: look at the pictures of 2b and describe them.
(讓學生通過自己的猜測，用所學過的語言知識把圖片描述一下。教師可以先提問程度稍差的同學，復習較大數字的讀法并把新舊知識結合起來。)
s1: picture f the jacket costs￥326. 00.
s2: picture b it’s 6 575 miles away from beijing to toronto.
s3: picture a the mountain is 8 844. 43 meters high.
s4: picture e the population of china is 1. 3 billion.
s5: picture d i think the population of canada is 210million.
s6: picture c the animal lived in 210 million years ago.
t: yeah, very good. you are great. now let’s listen to the tape of 2b and number the pictures you hear. after that, let’s check the answers.
(教師核對答案。)
step 5  project 第五步  綜合探究活動(時間:5分鐘)
1. t: the population problem is the biggest one in china. now let’s discuss the question: what
 are the problems of china’s population?
(學生小組討論。)
t: who can talk about it?
(學生可能要說的很多，但有些語言他們表達不清楚，教師加以引導，使他們盡量用簡潔的語言表達清楚。)
  s1:the population is still increasing.
  s2:the people in the countryside can’t obey the one-child policy.
  s3:there are more and more old people in some big cities.
  t: very good. but what do you think of the future of china’s population? please discuss it.
  (鼓勵學生舉手，自覺起來表達自己的觀點。)
  s4:the population of china will be 1.5 billion in 2050.
  s5:maybe china will have a population of 1.7 billion in 2050.
  (學生可能做出種種猜測。)
2. homework:
write a report about the population of the future in china.
板書設計：
what a large population!
section b
the developed/developing country —what’s the population of …?
carry out —it has … billion/million …
population problem it is increasing by 80 million every year.
  china has already carried out the one-child policy to control the population.
section c
the main activities are 1a, 2a. 本課重點活動是1a, 2a。