课件18张PPT。Unit 7 How much are these pants?Period 3
Section B (1a-2c)the white T-shirt ＄6 the blue hat ＄3the red bag ＄4Let’s revise!How much is the …… ?
It’s ……the yellow shoes ＄9 the white socks ＄2 the green shorts ＄4 the black pants ＄10How much are the……?
They are……$15$13$14$16$17$18$19$20$12$11thirteenfourteenfifteensixteenseventeennineteentwentytwelveeleveneighteen$30thirty1+9 = ?
Let’s count !3+9 = ?
2+9 = ?
9+9 = ?
4+9 = ?
5+9 = ?
6+9 = ?
7+9 = ?
8+9 = ?
10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 10+9 = ?
19 nineteen 基数词 1—12:
无规律可循
(记住每个单词) 记忆小窍门 基数词 13—19 7个“十~” : 后缀-teen (要注意thirteen, fifteen, eighteen) one --- 10--tenLet’s remember! two --- 20--twentythree--- 30--thirtyfour --- 40--forty five --- 50--fiftyseven--- 70--seventysix --- 60--sixty eight --- 80--eightynine --- 90--ninety记忆小窍门
基数词 20—90
8个“~十” :后缀 -ty
(要注意twenty, thirty,forty, fifty, eighty)Let’s find out the rules!20+1=21→twenty-one
20+2=22 → twenty-two
20+3=23 → twenty-three
24 →？
25 → ？
26 → ？
27 → ？
28 → ？
29 → ？
twenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine基数词21—99: 十位个位_1aListen and repeat. 听一听，读一读。 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31Write a number in 1a next to the correct word below. Which two rows of numbers are in the wrong place?把活动1a中的数字写在下面对应的单词旁边，哪两行数字的位置不对？ 11 12 13 14
25 26 27 28 29 20 21 23 24
15 16 17 18 19
30 311b2aListen and circle the numbers in 1a that you hear. 听录音，在活动1a中圈出你听到的数字。 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31Look at the picture and answer the questions.1 How much is the blue sweater?
2 How much are the red socks?
3 How much is white T-shirt?
4 How much is the green sweater?
5 How much are those shorts?Fifteen dollars.Twenty dollars.Sixteen dollars.Eleven dollars.Eight dollars.2bListen and circle the things in the picture that Lisa and her mom talk about. Check the things Lisa buys.听录音，在图中圈出莉萨和妈妈谈论的物品。在莉萨所买的东西上打勾。Mom: Oh, look. I like that _____ ______.
How much is it?
Lisa: _______ dollars. Oh, look. I like these______.
Mom: Oh no. I don’t like _____.
Lisa: Do you like this?
Mom: Mmm, yes, I do, but it’s ______ dollars.
Lisa: Oh.How much is the _____ ______?
Mom: It’s ______ dollars.
But you have a _____ _______.
Lisa: Mmm.
Mom: Oh, look at these ______.
Lisa: Oh, yes, I like those. How much are they?
Mom: Only ________ dollars.
Lisa: OK, I’ll take those.bluesweaterFifteensocksredelevengreensweatertwentygreensweatershortssixteenLet's listen!Let’s fill in the blanks.How much is the……? It’s…...
How much are the……? They’re……$10$20$22$15$18$28$30$16$11PairworkHow much is the ?
It’s .$20 $35 $18 $5 $1 Pairwork$ 20shirtHow much are the ?
They’re .$12$1$2Pairwork ＄12￥40＄18＄5＄30Guess the priceHomeworkOral work:
1.Listen and Imitate the conversations in 2a for 5 times.
2. Recite the words in P44.
Written work:
Copy the new wordsP44 six times.
2. Workbook 2-P31/32. 3. Let’s go shopping!
Your friend and you are going to a party . Please buy some new clothes for yourselves. (为参加聚会购买新衣)
Make up your own conversations like this one in a group.(模仿Lisa和mom编对话）2010学年全员赛课
七年级英语教学设计
Unit 7 How much are these pants?
Section B 1a-2c
（2010.11.5.）
1. Teaching objectives:
Most students would be able to ask the price of the clothes and master the expressions for shopping.
a)New words:
ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen
seventeen, eighteen, nineteen, twenty, thirty,
b)Patterns
How much is the pink skirt? It’s $36.
How much are the black shoes? They’re $23.
2. Learning and teaching focus:
(1)How much is/are……?
It’s/They’re……
3. Anticipated difficulties:
Students may have difficulties in remembering the numbers
4.Teaching aids: Multi-media
5.Teaching procedures:
Step1. Revision
Ask and answer the price(价格)about the clothes.
A: How much is the …?
B: It’s ...
A: How much are the …?
B: They’re …
Step2 Presentation
T: How much is the hat ?
S: It’s…
T: It’s thirteen dollars.
T: How much is the shirt?
S: It’s ….
T: It’s fourteen dollars.(Teach 15 16 17 18 19 20 30 like this)
（设计意图：通过服装图片，直接引出数字。）
A game.
A student say “what’s * and *?” , the others answer.
Step3 Listen and repeat
1. Let Ss listen and repeat ( 1a ). Then ask Ss count together. Note the differences between 13and 30.
Section B 1b Ask Ss to write a number in 1a next to the correct word below. Which two rows of numbers are in the wrong place?
Then get Ss to put them in the right order.
（设计意图：这个环节是为了练习数字10-31的发音。）
Step4 Listening
Section B 2a .Ask Ss to Listen and circle the numbers in 1a that they hear.
Show Ss the picture of 2b.
Lisa and her mom are in the clothes store, they are doing some shopping.
Listen and circle the things in the picture that Lisa and her mom talk about. Check the things Lisa buys.
Let Ss fill in the blanks.
Mom: Oh, look. I like that _____ ______.
How much is it?
Lisa: _______ dollars. Oh, look. I like these______.
Mom: Oh no. I don’t like _____.
Lisa: Do you like this?
Mom: Mmm, yes, I do, but it’s ______ dollars.
Lisa: Oh, How much is the _____ ______?
Mom: It’s ______ dollars.
But you have a _____ ______.
Lisa: Mmm.
Mom: Oh, look at these ______.
Lisa: Oh, yes, I like those. How much are they?
Mom: Only ________ dollars.
Lisa: OK, I’ll take those.
（把音频作成可以暂停，效果更好。）
Step5 Pair work
How much is the … ? It’s …
How much are the … ? They’re…
（设计意图：这个环节是给学生练习How much…?,还巩固了数字。）
Step6 Guess the price
Show the clothes to the Ss , let them guess.
Then show them the prices.
Step7 Homework
1. Listen and imitate the conversations in 2a for 15 minutes.
2. Recite the words in P44.
Written work:
1. Copy the new words P44 four times each.
2.Workbook 1-P27/28
3.Finish the exercise.
Blackboard Design:
Unit7 How much are these pants ?
Period 3 Section B (1a-2c)
eleven
twelve twenty
thirteen thirty
fourteen forty
fifteen fifty
sixteen sixty
seventeen seventy
eighteen eighty
nineteen ninety
