語言功能：描述、解釋、確認、勸告

學習目標：

1. 能使用「倍」表達數量的多寡

2. 能使用「要不然」來解釋、建議或警告

他人

3. 能了解「折」和「%off」的不同及轉換

使用

4. 能算出物品打折後的價錢及總價

Linguistic Functions: describing, explaining, confirming, giving advice

Learning Objectives:

1. Can use “times/-fold” to express comparative quantities.

2. Can use “otherwise” to explain, suggest, or warn others.

3. Can understand the difference between “discount” and

“ %off ” and switch between them.

4. Can calculate the price and total price of items on sale.