沪教牛津版八年级上册英语 Unit 2 period 3 教案

1、精品文档 精心整理精品文档 可编辑的精品文档编制教师总序号 审核人学生姓名班级小组序号课题内容Unit2 Numbers More practice and Culture Corner学习目标了解单词finger,toe,mark,token,clay,string,develop,system,abacus,Hindu-Arabic和短语develop into,lead to等。2.根据图片和上下文猜测 finger,toe,mark,等单词和短语的意思。3. 通过补充阅读提高获取关键信息的技能。学习重点通过补充阅读，巩固获取关键信息的能力。学习难点通过补充阅读，巩固获取关键信息的能力。

2、学法指导合作探究法、质疑法一、预习案1.阅读教材P29的文本，了解文章大意。2.小组讨论或查字典查出下面单词或短语的词义。 1)count_ 2) finger _ 3)toe_ 4)mark_ 5)stick _ 6)bone_ 7)token_ 8) clay_ 9)string_ 10)develop _ 11)abacus_ 12)system_二、探究案 1.预习反馈。2.出示学习目标。3.问题探究，拓展提升： 探究点一：More practiceListen to the tape and try to read after it.Skim the article about Co

3、unting before numbers, and complete the table.教师板书下列句子，学生联系上下文找出句中划线部分的指代内容。1）However, they could only count small numbers in this way. 2）This helped them count bigger numbers. This helped them count even bigger numbers. This developed into tools like the abacus. and this led to the Hindu-Arabic sys

4、tem (09). 6）We are still using this system today. 4.学生完成练习A的流程图。探究点二： Culture CornerStudents read Venice Numbers around the world on page 62, Look at the picture and read the article. Then make a spidergram about the numbers around the world.Things people usedWhat to countExamplesFingers and toes_(s

5、mall)marks on sticks and bones_tokens made from clay or small stones_Systems of written marks_ 三、训练案根据短文内容选择最佳答案。Whats the main idea of the passage?Counting before numbersSmall and big numbersIntelligent ancient peopleSystems of written marksUsing small marks on sticks and bones helped people_stop c

6、ounting numbers with fingers and toesbe able to count how many animals they hadinvent written numbers for counting thingsdevelop the abacus to count bigger numbersThe underlined word“them” in the passage refers to“_”.stones B. numbers C. strings D. tokensHow many ways to count things are introduced

7、in the passage?Three B. Four C. Five D.SixThe Hindu-Arabic system(0-9)we are still using today was invented_.before people own their foodas soon as the abacus was madeafter written marks appearedwhen counting days monthly二、综合阅读Counting before numbersBefore the invention of written numbers, people us

8、ed many different ways to count things.At first, people used their (A)_, and even their toes. However, they could only count small numbers in this way.After that, they began to make small marks on sticks and bones. This helped them count bigger(B)_. They used them to count things (C)such as the days

9、 of the month,(D)食物的数量和动物的数量 they had.(E)Then people began to use tokens made from clay or small stones. This helped them count even bigger numbers. They often put the tokens on pieces of string so that they could carry (F)them around easily. This developed into tools like the abacus.(G)At last, people began to develop systems of written marks to show different numbers, and this led to the Hindu-Arabic system(0-9).We are still using this system today.1.在文中（A）和（B）的空白处填入