三年级下册英语-Unit 4 Food and RestaurantsLesson 23 How M

三年级下册英语-Unit 4 Food and Restaurants Lesson 23 How
Much Are They
Vocabulary
•how much: 多少钱
•dollar: 美元
•cent: 分
•it: 它
Dialogue
A: Excuse me, how much is the hot dog? B: Three dollars and fifty cents. A: How much is the hamburger? B: Four dollars. A: How much is the pizza? B: Six dollars. A: Thank you.
Practice
1.How much is the hot dog?
•It is three dollars and fifty cents.
2.How much is the hamburger?
•It is four dollars.
3.How much is the pizza?
•It is six dollars.
Grammar
数字的表达方式
•例如：6.25，读作 six dollars and twenty-five cents.
–可以分为两部分：整数部分和小数部分
–整数部分：直接按照正常的数字读法（比如 six）
–小数部分：
•分母是 2 的倍数时，读作 a half （一半）、a quarter （一四分之一）、a eighth（一八分之一）
•分母是 3 的倍数时，读作 a third（一三分之一）
•分母是 4 的倍数时，读作 a quarter （一四分之一）
•例如：
–3.50，读作 three dollars and fifty cents.
–4.25，读作 four dollars and twenty-five cents.
–6.75，读作 six dollars and seventy-five cents.
Exercise
1.How much is 5.50?
•It is five dollars and fifty cents.
2.How much is 2.75?
•It is two dollars and seventy-five cents.
3.How much is 8.00?
•It is eight dollars.
4.How much is 1
5.50?
•It is fifteen dollars and fifty cents.
Summary
通过本课我们学习了英语中表达货币的方式，同时学习了问价钱的表达方式，通过练习，加深了对于数字在英文中的表达习惯。