买家与卖家
Buyers & Sellers
介绍买家与卖家的角色：做出或拥有物品的人可以把它卖出去，想要物品的人可以把它买下来，由此初步认识交换与交易的概念。
When someone makes or has something, they can sell it; when someone wants something, they can buy it; introduction to the concept of exchange and transactions
学习证据 / Evidence
- 解释买家做什么，卖家做什么。
- 与同伴一起表演一次简单的买卖交易。
- 描述自己或家人曾从别人那里购买东西的经历（market stall、car boot sale、bake sale）。
- Explain what a buyer does and what a seller does
- Act out a simple buying and selling transaction with a partner
- Describe a time they or a family member bought something from a person (market stall, car boot sale, bake sale)
评估问题 / Assessment
如果{{name}}在学校集市上摆了一个摊位，{{name}}能说出谁是买家、谁是卖家，以及每个人分别做什么吗？
If {{name}} set up a stall at a school fair, could they explain who the buyers and sellers are and what each person does?