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1、R 七年级上册Section B 第第3课时课时 Unit 7 How much are these socks?New words 1. ten _2. eleven _3. twelve _4. thirteen _5. fifteen _6. eighteen _ 7. twenty _8. thirty _十十十一十一十二十二十三十三十五十五二十二十三十三十十八十八1aListen and repeat.101112131415161718192021222324252627282930311bWrite the numbers in 1a next to the correct wo
2、rds. Which rows of numbers are in the wrong places?ten_ eleven_ twelve_ thirteen_ fourteen_ twenty-five_ twenty-six_ twenty-seven_ twenty-eight_ twenty- nine_twenty_ twenty-one _ twenty-two _ twenty-three_ twenty-four_ fifteen _ sixteen _ seventeen _ eighteen _ nineteen_ thirty_ thirty-one_101112131
3、425262728292021222324151619173018311cListen and circle the numbers you hear in 1a.ten_ eleven_ twelve_ thirteen_ fourteen_ twenty-five_ twenty-six_ twenty-seven_ twenty-eight_ twenty- nine_twenty_ twenty-one _ twenty-two _ twenty-three_ twenty-four_ fifteen _ sixteen _ seventeen _ eighteen _ ninetee
4、n_ thirty_ thirty-one_1dListen again. Circle the things in the picture that Kate and her mom talk about. Check（） the thing Kate buys.1eAsk and answer questions about the things in the picture above.How much is the white bag?Its seventeen dollars.How much are the black shoes?Role-playThey are eightee
5、n dollars.Language points数词数词“几十几几十几” (1) 表达表达“几十几几十几”用用: “几十几十”+连字符连字符“-”+“几几” 37thirty-seven; 98ninety-eight (2) “几十几几十几”是一个单词是一个单词, 不能漏掉连字符。不能漏掉连字符。Exercise I.判断下列算式正误判断下列算式正误 (T/F) () 1. twelve + eight = twenty () 2. seven + eight = fifteen () 3. thirty-one + seven = twenty-five () 4. eleven + t
6、wenty = thirty-one () 5. twenty-four + nine = thirty-twoTTFTF. 完成句子完成句子1. 这件白色的这件白色的T恤衫多少钱恤衫多少钱? 25元。元。 is the white T-shirt? yuan. 2. 这短裤这短裤15元吗元吗? 是的。是的。 the shorts yuan? Yes, it is. How muchTwenty-fiveArefifteen3. 你喜欢什么颜色你喜欢什么颜色? 我喜欢黄色。我喜欢黄色。 do you like? I like yellow. 4. 十五加十六等于多少十五加十六等于多少? 三十一。三十一。 fifteen and sixteen? . 5. 这十双袜子这十双袜子35元。元。 Thesepairs of socks areyuan. What colorWhatsThirty-onetenthirty-five 同学们，这一课学习的单词你们都掌握了吗？现在大同学们，这一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的视频开始听写吧家来检验一下，点击下面的视频开始听写吧！
