《I'm twelve》PPT课件2

《I'm twelve》PPT课件2 Ask and answer: How many … are there? There are  …   This is a classroom. How many … are there in the classroom? There are … in the classroom. There is a/an … in the classroom. ... ... ... Listen and repeat. 11          12           13            14       eleven    twelve    thirteen    fourteen   15          16           17            18     fifteen   sixteen   seventeen  eighteen 19            20 nineteen  twenty ... ... ... Let's calculate! two + fourteen =sixteen nine + one =ten four + eight =twelve six + seven=thirteen four - one =three Listen and point. 1. 11+4 = 15 2. 12+6 = 18 3. 14+6 = 20 4. 17+2 = 19 ... ... ... 规则类：相应数字英文+teen 14：fourteen， 16：sixteen， 17：seventeen，18：eighteen 19：nineteen 不规则类： 11：eleven，12: twelve，  13：thirteen，15：fifteen ， 20：twenty ... ... ... Do you know them？ +：Plus /and - ：minus =：is 如：12+2=14 twelve and two is fourteen About quantity How many… are there? How much…  is there? How ______ pens are there? There are _____ pens. How ______ meat is there? There is  a kilo.  关键词：《I'm twelve》教学课件，外研版七年级上册英语课件，七年级英语幻灯片课件下载，《I'm twelve》PPT课件下载，.ppt格式