Ⅰ. Read and write. 读一读，写一写。
Save and spend
Mum: Where are your old books?
Boy: They are in the box.
Mum: How many old toys do you have?
Boy: I have eighteen. One, two ... eighteen, nineteen, twenty books. One, two ... sixteen, seventeen, eighteen toys. I'll sell my things at the flea market.

New semester(新学期) is coming.
I pay fifteen yuan for new pens and erasers. Five yuan for new rulers.
I put my money back in my piggy bank.
1. —Where are the old books?
—They are the box.
2. —How many old toys do you have? —I have toys.
3. —How much do you pay for the new school things?
—I pay yuan for new pens and erasers. And yuan for new rulers.
Ⅱ. Make your to-do list. 列出你要卖的旧物品和新学期要买的新学具。
• Sell old things:
| Toys / books | How many | How much |
| ---- | ---- | ---- |
| | (图4) | () |
| | () | () |
• Buy new school things:
| Toys / books | How many | How much |
| ---- | ---- | ---- |
| | (图5) | () |
| | () | () |
• I save yuan in total(总共).
• I spend yuan in total.

Ⅰ.
1. in
2. eighteen
3. fifteen; five
Ⅱ. （示例，答案不唯一）
Sell old things表格：
第一行：old books；20；10 yuan
第二行：old toys；18；15 yuan
Buy new school things表格：
第一行：new pens and erasers；3；15 yuan
第二行：new rulers；2；5 yuan
I save 25 yuan in total.
I spend 20 yuan in total.

1. 第1题：从原文对话男孩的回答"They are in the box."可直接找到答案，填写方位介词in。
2. 第2题：从原文男孩的表述"One, two ... sixteen, seventeen, eighteen toys."可知旧玩具的数量是18，填写对应数词eighteen。
3. 第3题：从后文短文内容"I pay fifteen yuan for new pens and erasers. Five yuan for new rulers."可直接提取对应数字，分别填写fifteen和five。
4. 第Ⅱ部分为开放性实践题，结合小学生日常实际，填写合理的待售旧物品、待购新学具的名称、数量、价格，最后计算出售卖旧物品总共攒下的钱数、购买新学具总共花费的钱数即可，答案不唯一。