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# 2013最新人教版七年级上册Unit_7_三课时PPT课件

Unit 7

How much are these socks?

Section B Period 1 (1a-1e)

Can you read these numbers?

eleven

twelve

thirteen

fourteen

fifteen

sixteen seventeen eighteen nineteen twenty

twenty twenty twenty -one -two -three

twentyfour

twentyfive

twenty twenty -six -seven

twenty -eight

twentynine

thirty

Learn these numbers and find out the rules.
one two three four five eight nine ten eleven thirteen twenty twenty-one fourteen thirty thirty-one forty-one fifteen forty fifty-one sixteen fifty sixty-one seventeen sixty seventy-one eighteen seventy eighty-one nineteen eighty ninety-one hundred ninety six seven twelve
… … … … … … … … twenty-nine thirty-nine forty-nine fifty-nine sixty-nine seventy-nine eighty-nine ninety-nine

1a Listen and repeat.

10 15 20 25

11 16 21 26

12 13 17 18 22 23 27 28 30 31

14 19 24 29

1b Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places?
ten ___ 10 twenty-five____ twenty___ 25 20 eleven_____ twenty-six_____ twenty-one____ 11 26 21 twelve_____ twenty-seven___ twenty-two___ 12 27 22 thirteen_____ twenty-eight___ twenty-three___ 28 13 23 fourteen____ twenty-nine___ twenty-four___ 29 14 24

10 11 12 13 14 15 16 17 18 19 20

21 22 23 24 25 26 27 28 29 30 31
fifteen_______ 15 sixteen_______ 16 seventeen________ 17 eighteen_______ 18 nineteen_____ 19 thirty____ 30

thirty-one_______ 31

Summary
1. 1—12: (记住每个单词) 2. 13—19: -teen (thir-, fif-, eigh-) 3. 20—90: -ty (twen-, thir-, for-, fif-, eigh-) 十位 __ 个位 4. 21—99: 5. 100—900: _______ hundred

__

6. 101—999: ____ hundred and

11个足球 eleven soccer balls

14个西红柿 fourteen tomatoes
23件衬衫 twenty-three shirts

28只红袜子 twenty-eight red socks
35顶帽子 thirty-five hats

33个乒乓拍 thirty-three ping-pong bats 45支笔 forty-five pens forty-eight sweaters fifty-seven students fifty-five clocks

48件毛衣
57个学生 55个钟

1c Listen and circle the numbers you hear.
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

1d Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys.

C: How much are the blue trousers? S: They are 16 dollars.

C: How much is the white T-shirt? S: It is 11 dollars.

C: How much is the black hat? S: It is 13 dollars.

Read the ad and fill the price tags.
Mr. Cool’s Clothes Store Come and buy your clothes at our great sale! We sell all our clothes at very good prices. Do you like sweaters? We have red and green sweaters for only \$15! Yellow sweaters are only \$12! Do you need trousers? For boys, we have black trousers for only \$22. And shorts are only \$16! For girls, we have skirts in purple for only \$20. How much are our jackets? Only \$30! And we have black shoes for only \$28. Socks are only \$2 for three pairs！ Come to Mr. Cool

’s Clothes Store now!

\$15

\$12

\$20

\$16 \$22 \$30

Imagine you work at Mr. Cool’s Clothes Store. Complete the conversation.

can You: Hello, ______ I help you?
Girl: Yes, please. I need a skirt ______. You: How about these purple ______. skirt much Girl: Oh, I like this one. How ______ is it? 20 You: It’s only ______ dollars. take Girl: Oh, good. I’ll _____ it. You: And what do you need? shoesfor school. Boy: Well, I need a pair of black ____

only You: What about this pair? They are _____ dollars _______. twenty-eight Boy: Great. And do you have shorts, too? 16 You: Yes, our shorts are only ______ dollars. shoes andshorts Boy: OK. I’ll take the _____ the ______.