Listening and vocabulary名师教学视频（文字实录）

Module 5 of Book1

A Lesson in a Lab Vocabulary and Speaking 晋城三中

陈玉青

Analysis of the students: The students are new in Grade One of the Senior High school. And according to their English teacher, most of them are quiet, and some of them are not good at English. So this lesson should be heavy with detailed knowledge of numbers, though they have already learned about some forms of numbers. Analysis of the teaching content: This module is about chemical experiments. It needs accuracy or exact amount of substance in weight. Therefore, how to say fraction, decimals and other numbers has become necessary. Besides, numbers are one of the important points in college entrance exams. Teaching aims

Knowledge and skills:

Have a grasp of numbers, such as fractions, percentages and decimals. Words, phrases and sentence structure Fraction, percentage, decimal, words of numbers

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,plus，minus, be divided by, be multiplied by….

Improve the students’ abilities to say and write numbers in English.

Emotional aims:

Arouse the students’ interest in science

Teaching important points Learn how to say large numbers, fractions, percentages and decimals. Difficult points How to make the students say these numbers confidently and fluently Teaching methods Revision and inquiry Deduction and induction Individual, pair and group work. Teaching aids PowerPoint, the whiteboard Teaching procedures Step1. Greetings and revision Greet the students and revise cardinal and ordinal numbers by playing word-spelling games in groups --- This class we will learn about some numbers, some of

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which you have already learned about. Now let’s go over the cardinal numbers and ordinal numbers first.

---ok, let’s start with spelling games. Let’s count from one to thirteen .we will do it in groups, girls first, from left to right. Say like this, o-n-e, one. T-w-o, two. Do you understand? If some students have difficulties in spelling and pronunciation, keep them stand and listen to others. Then show the learning tips on the screen for the students to keep in mind.

Next, review ordinal numbers. See if they have any problems with the numbers.

Show the learning tips on the screen to help them. Step2. Lead-in and Task1: learn to say large numbers 44，444，444，444 777，777，777，777 94，578，693，186 Step3. Task2.

Say these fractions. 4/5

four-fifths 1/10

a/one-tenth 2/3

two-thirds 1/3

a/one third

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First, ask the students to read the fractions Then, discuss in pairs to find out the way to form the fractions. And then see the following fractions and explain the differences

1/2

a half

1/4

a/one quarter

(one

fourth)

3/4

three quarters (three fourths)

One second usually means “一秒”

Finally, show the learning tips on the screen. Step4. Task3: Activity3 on Page42. ---percentages

Look at the example first and then say more

Step5. Task4: Percentages 20%

twenty percent Firstly, ask the students to say out the percentage, if they can’t, tell them how to say and then show the learning tips to help them.

Step6.Task5: Decimals (do it if there is enough time, if not, let the students finish after class. )

Look and find out the way to say decimals and then show the learning tips on the screen to help them.

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Step7. Extension

Choose the right answer to complete the following sentences 1. Two thirds of the earth’s surface ___water.（is, are）

2. Two thirds of the students in our class ___ girls.（is, are）

3. ___ (Hundred, Hundreds) of people are listening to this songs at the same time. 4. What is 1/2 of 6,000,000? 5. 5 minus 3 is 2, so how much is 10 minus 2.5? 6. 6 divided by 2 is 3, so how much is 2 divided by 0.5? 7. 3 times/multiplied by 2 is 6, so how much is 20 times 0.5? Two minutes for the students to read and then check the meanings with them about “minus” “divided by”

“times/multiplied by”. Meanwhile, write these words on the whiteboard. Step8. Summary and homework Write down the ordinal numbers on your exercise books from first to one-hundredth Ask and answer questions with the numbers we learnt

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today. Whiteboard design Module 5

A Lesson in a Lab Vocabulary and Speaking

Forty, second, third, minus,

be divided by,

Times/be multiplied by

2017.10.24

Reflections: Generally speaking, this is a successful lesson. Almost all the students were enthusiastic in class. They were active in speaking and performance. Nearly all the teachers, including the vice headmaster were satisfied with this lesson.

此次公开课地点：金村中学高一年级。班主任：陈楚楚。英语教研组长：王文静。教研主任：司雅丽。

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