,Good afternoonBoys and girls,one,two,three,four,five,six,seven,eight,nine,ten,eleven twelve thirteen,eleven twelve thirteen,eleven 13 sixteen 19twelve 11 seventeen 18 thirteen 14 eighteen 16fourteen 15 nineteen 17fifteen 12,Lesson 17 Number 20,学习目标:会听、读、写 twenty markers重点难点: How many markers do they have?,twenty,20,16 17 18 19 20,sixteen seventeen eighteen nineteen twenty,look. I have fifteen markers.You have five markers.How many markers do they have?Twenty.,前置性作业: 找出18课中你不认识的单词 . 猜一猜它是什么意思,Good bye!,
