Period 3　Function;Grammar 1，2

　　The General Idea of This Period

　　Function in this module is talking about numbers,which include big numbers,fractions and percentages.The students can finish Activities 1 and 2 individually and check the answers with the whole class.As for Activity 3,pair work or group work is better.Let the students dictate some numbers to their partners to consolidate what they learned.After that,the teacher can give them a quiz to make sure the students can distinguish different numbers correctly and can read and write them in the correct way.In grammar 1,we'll revise the passive voice of present tense,past tense,future tense and present perfect tense.There are four activities for the students to practice.In grammar 2,the students will learn to use by+-ing form.Firstly,in Activity 1 make sure the usage of this form.It usually works as adverbial,and means "using some way".This form is not difficult.We are sure that after the practice in Activity 2,the students can master this form correctly.

　　Teaching Important Points

　　Teach the students how to read and write numbers in a correct way.

　　Make sure the students can use the passive voice and by+-ing form correctly.

　　Teaching Difficult Points

　　To make them master the usage of the passive voice and by+-ing form.

　　Teaching Methods

　　Individual work and pair work to make every student work in class.

　　Teaching Aids

　　Multimedia & a blackboard

　　Three Dimensional Teaching Aims

　　Knowledge and Skills

　　Make the students learn to use the mathematical terms in a correct way.

　　Make sure the students can use the passive voice in different tenses and by+-ing form correctly.

　　Process and Strategies

　　Motivate the students' enthusiasm in taking part in the class.

　　Feelings and Value

　　Through the study of this period the students will surely know more about the basic use of the passive voice and by+-ing form and how to read and write different numbers correctly.

　　Teaching Procedures

　　Step 1 Revision

　　 (Greetings as usual)

　　T:First,let's have a dictation of the new words and expressions we learnt last class.

1.staple　2.leading　3.figure　4.breeding　5.species　6.yield　7.original8.sterile　9.breakthrough　10.convert　11.export　12.hybrid　13.replace14.bring up　15.as a result of 　　

　　Step 2 Function

　　T:Function in this module is about numbers.Now,look at Activity 1 on Page 35.

　　Choose the correct way of saying the numbers.

　　1.5 000 000

　　(a)five million____________________(b)five millions

　　2.47.5%

　　(a)forty seven half percent(b)forty seven point five percent

　　3.632

　　(a)six hundred and thirty two(b)six hundred thirty two

　　4.4/5

(a)four fifths____________________　(b)four five