七年级英语下册 Unit 1 Dream homesPeriod 4教案 （新版）牛津版.doc

unit 1 dream homestopicunit 1 dream homesperiod 4titlegrammartype of lessonnew教学目标to learn to use cardinal numbers correctly.to learn to use ordinal numbers correctly.重点难点how to read and write some big cardinal numbers.教学过程备 注step 1. talk about cardinal numbersask ss to remember where they can find numbers in their lives.give pictures about numbers in our lives. ask ss to read page numbers, room numbers, student numbers1 章节，页数的读法 第三课 the third lesson, lesson three 第507页 page five o seven 第2564页page two five six four /page twenty-five sixty-four 2房间，门牌，电话号码的读法 第305房间 room three o five 长安街76号seventy-six changan street 电话号码204486 telephone number, two o four four(double four) eight six. 十一路公共汽车bus (no.) elevenreview numbers from 1 to 100, and give ss some simple maths problems to plus and minus; step 2. talk about the spelling0 - 19 zero - nineteen21 - 99 twenty-one - ninety-nine20, 30, 40, 50, 60, 70, 80, 90twenty ninety pay attention!(1) teen重音在 “teen”上；-ty重音在单词开头;(2) 特殊变化：13/15/18/30/40/80；(3) 表示“几十几”的数词中有 “-”， 如twenty-two,thirty-five等。step 4: talk about the large numbers (how to read and write)thousand n.千 hundred n.百 111 , 1 1 1 , 1 1 1 , 1 1 1 billion n.十亿million n.百万practise: how to read them 100 1,000 10,000 100,000 1,000,000 10,000,000 100,000,000 1,000,000,000pay attention!1.读三位以上的数词时，要在十位前加“and”,如十位为0则在个位前加“and”,其他每三位数用”,”隔开;2. hundred, thousand, million, billion1) 当有具体数量时，不能加 “s”和 “of ”。2)当表示泛指数量时用以下形式: hundreds of thousands of millions of, billions oftry to say the numbers a 597 b 976 c 1,204 d 4,978 e 5,809 f 9,784 g 10,000 h 12,648 i 19,581 j 24,783 k 198,679 l 1,683,000 step 5: p11: learning about different countries read the numbers correctlystep 6: read the ordinal numbersstep 7: how to write ordinal numbers 1.序数词119:除first, second, third, fifth, eighth, ninth, twelfth变化不规则外,其余均由在基数词后加上 “th”。 2.十位整数的序数词:将基数词的词尾“y” 变成 “ie” 再加 “th”。 3.几十几的序数词: 把个位数变成序数词,十位数不变。 4.整百、整千的序数词:hundredth, thousandth, millionth, billionth基数词变序数词的规律1基变序，有规律，末尾加上 thfour - fourthfourteen - fourteenth2一二三，特殊记，末尾字母 t,d,done-firsttwo -secondthree -third3八减t，九去e，f要把ve替eight - eighthnine - ninthfive - fifth; twelve-twelfth4ty把y变为i，莫忘th前有个etwenty-twentiethforty-fortiethninety-ninetieth5如果遇到几十几，只变个位就可以twenty-one-twenty-firstthirty-three-thirty-thirdstep 8: how to write ?序数词缩写1或个位为1:数字+st2或个位为2:数字+nd3或个位为3:数字+rd其余:数字+thstep 9: pay attention!序数词须与the、物主代词或名词所有格连用eg. look at the fourth picture on your book. today is my fifteenth birthday. its lilys fifth time to come to china.1.他在他们班第五名。2. 明天是我表妹三十岁生日。3.我们