"Understanding One Million" data collection and arrangement PPT courseware

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"Understanding One Million" data collection and arrangement PPT courseware

According to the statistics:

The population of my country's big cities: Chongqing 30 million, Shanghai 18.45 million, Beijing 16.33 million, Guangzhou 10.05 million...

The earth's surface area is 510 million square kilometers, the ocean area is 360 million square kilometers, and the land area is 150 million square kilometers.

The country produces about 1.95 billion kilograms of garbage every day.

Bill Gates, the world’s richest man, is worth $40 billion

There are about 639 muscles in the human body, composed of about 6 billion muscle fibers. The total length of capillaries in the muscles can reach 100,000 kilometers, which can circle the earth twice and a half.

A centenarian has lived more than 36,000 days

1. Are you smart enough to estimate the mass of 1 million grains of rice?

2. If we each save 1 grain of rice per day, how many grains of rice can each person save per year?

Based on this calculation, how many kilograms of rice can be saved per year with 12 million people in Shenzhen?

3. If a family of three can eat 20 kilograms of rice a month, how many years can this rice last them?

1. Estimate your step length. How long is your 10,000 steps? What about 1 million steps? How many laps is equivalent to going around the school playground?

2. It is estimated that the area covered by 1 million pots of flowers can beautify the green space of how many classrooms? How many campuses like ours can be covered? (Classroom is about 70 square meters, campus is about 21,403 square meters)

3. Measure the thickness of mathematics textbooks and estimate how high 1 million such mathematics textbooks would be stacked together. Who is taller than Mount Everest? (Mount Everest is about 8844 meters high)

4. The specifications of a small garbage bag are: 43×56cm. Can 1 million garbage bags cover our campus? China has a population of 1.3 billion. If one person throws away a garbage bag every day, can it cover the entire Shenzhen Customs? (The area within Shenzhen Pass is about 327.5 square kilometers)

I know……

There are approximately 100,000 hairs on a person.

1 million grains of rice are about ________ kilograms

One million steps is about ________ kilometers

1 million people occupy approximately ________ classrooms

1 million yuan requires ________ boxes

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Update Time: 2024-11-01

This template belongs to Mathematics courseware Beijing Normal University seventh grade first volume mathematics industry PPT template

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