苏教牛津版三年级英语下册《Plus and minus》Lesson2教案设计(3)
3、学习加法的运算
T: What’s ten plus ten ?
S: It’s twenty.
T: That’s right.
What’s five plus five ?
S: It’s ten.
T: That’s right.
* plus 加
板书:What’s ____ plus _____ ? It’s ______. √ That’s right.
运用:
(老师做营业员)
T: Good morning . What do you want ?
S: I’d like ….How much ?
T: (板书 12+12= 24 ) Twenty-four yuan.
S: Here you are .
T: Thank you .
Work in groups
4、学习减法的运算
(学生做营业员)
S: Good morning.
T: Good morning. I’d like two T-shirts.
S: OK.
T: How much ?
S: 40+40=80 Eighty yuan.
T: Sorry . Here you are .Would you please give me a change( 请找钱)。
( 老师用一张100元)
S:100-80=20 Here you are,. Twenty yuan.
T: Thank you.
板书: 100-80=?
* minus 减
板书:What’s ____ minus ____ ? It’s ______.