七年级英语上册 Unit 7 How much are these socks The Third Period Section B（1a-1e）课件 新人教版.ppt

Unit 7 How much are these socks?The Third PeriodSection B (1a-1e) Warming up Guess game.A：Is it . dollars?B：Are they . dollars? 1a Listen and repeat.10 11 12 13 14 1516 17 18 19 20 2122 23 24 25 26 2728 29 30 31 1b Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places?ten _twenty-five _twenty _ fifteen _thirty _ eleven _twenty-six _twenty-one _sixteen _thirty-one _ twelve _twenty-seven _twenty-two _seventeen _ thirteen _twenty-eight _twenty-three _eighteen _ fourteen _twenty-nine _twenty-four _nineteen _10 11 12 1326 291425 27 2820 21 22 23 2415 16 17 18 1930 31参考答案：第二行与第四行位置颠倒了。 1c Listen and circle the numbers you hear in 1a.10 11 12 13 14 1516 17 18 19 20 2122 23 24 25 26 2728 29 30 31 1d Listen again. Circle the things in the picture that Kate and her mom talk about. Check()the thing Kate buys. 1e Ask and answer questions about the things in the picture above.How much is the white bag? Its seventeen dollars. Language points1.基数词（1）定义：表示数量的词叫基数词。（2）基数词的表达。0-12的基数词在拼写时特别注意，分别记忆。13-19表示“十几”的词，要在个位后加-teen，单词有两个重音直接加-teen。如：14fourteen，16sixteen，17seventeen，19nineteen要个别记忆的有：13thirteen，15fifteen，18eighteen。20-90整十的基数词要在末尾数后加-ty，但有些应注意其拼写。如：20twenty，30thirty，40forty，50fifty，60sixty，70seventy，80eighty，90ninety。 Language points从21-99“几十几”的词，中间用连字符把个位数和十位数连起来。如：21twenty-one，25twenty-five，89eighty-nine。百位或百位以上的词，通常在百位和个位之间用连字符。如：156one hundred and fifty-six。（3）基数词一般和可数名词连用，表示两个或两个以上事物的名词用复数形式。2.容易混淆的拼法four(4)fourteen(14)forty(40)five(5)fifteen(15)fifty(50)eight(8)eighteen(18)eighty(80)twelve(12)twenty(20) Exercise一、单项选择。1.Can I help you? _.I want a hat.A.Youre wele B.Yes,you canC.Yes,please D.No,yo cant2.Whats 35 in English? Its _.A.thirty-five B.thirty and five C.thirty five D.thirteen-five3.你决定买毛衣时，你对营业员说：_A.How much is it? B.Ill take it.C.I want a sweater. D.Here you are.C AB Exercise4.My T-shirt _ white and my shorts _ yellow.A.is;is B.are;are C.are;is D.is;are5.My jacket is _,I want a long one.A.small B.short C.big D.longDB Exercise二、句型转换。1.The white pants are 88 yuan.(对画线部分提问). _ _ are the white pants?2.This sweater is 60.(改为复数句). _ _ _ 60. 3.Lisas shoes are yellow.(对画线部分提问). _ _ are Lisas shoes? 4.She wants a black bag.(改为一般疑问句). _ she _ a black bag?How muchThese sweaters areWhat colorDoes want Homework1.Recite the numbers from 1 to 31.2.Practice the conversations in 1d and 1e. Thank you!