Write math diary, you are in Grade Three, and the number of words you write should be around 200 words. Then you can write from the daily use of mathematics, such as going to the market to buy food today. How many dishes did you buy? What's the price of each dish? How much is this? What is the total price of * *? How much money was spent and how much money was recovered. Let me make a sample and write an example.

Today's math adventure

I went home after math class this afternoon. When I got home, I told my mother that we were going to write about math diary today, and I didn't know what to write. Mom said, you can go to the vegetable market to buy food, and write a diary about this topic by the way. I said, okay.

So, my mother gave me 30 yuan to buy some common dishes in the vegetable market.

I can't arrive on time. It takes 4 minutes to get to the vegetable market. Seeing a favorite oily wheat dish, I asked the price. The seller said three yuan a catty. I said, I want to buy 5 yuan. He said, then I'll give you two and a half pounds. Then I weighed five dollars and left.

After visiting several booths, I met a tofu seller. The tofu seller said that a piece of tofu was one yuan, and then I bought two more pieces. Now I have two bags in my hand.

Finally, I went to the back of the market, and I saw some people selling oranges. Then I bought an orange for 8 yuan and found that it seemed to weigh about two kilograms. This bag is quite heavy, too.

So, I went home with three bags of things in my hand, including two bags of vegetables and one bag of fruit.

At home, I calculated the price of 30-5-8- 1×2= 15, and there was 15 left in my pocket. This is my math adventure today.