Unit 3 How many

unit 3 how manylesson 4part b let’s learn; part c cultureteaching aims :1. be able to listen, say, recognize the number words: sixteen, seventeen, eighteen, nineteen and twenty.2. be able to calculate the numbers in english.3. be able to understand and do “ jump 16 times!”, “ bounce 20 times!”.focus points & difficult points :distinguish the pronunciation of “twenty”, “twelve” and “two”.teaching preparation:power point, vcd, number cards, a ball, a slope, 3 dices and tape.designing for the blackboard:sixteen  seventeen    eighteen   nineteen    twentyteaching steps:step1. warming –up  1. greetings.  2. sing a song<one two three four five>  3. number competition. (between groups, one by one.)  4. free talk. &nb 阅读全文