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Mathematics for solving epidemic situation
? An epidemic in novel coronavirus made our Spring Festival special. All students, parents and teachers should stay at home and try to reduce going out to deal with the epidemic. In such a sudden situation, the school was postponed, but we stopped studying and researching. Our math group is the king? The discussion leads to the formulation of children's winter vacation mathematics plan, so that mathematics can really happen in real life.

? Crisis is also an opportunity, and life is a lesson. I led the children to find the mathematical problems in this epidemic, made a research form and provided them with scaffolding to solve the problems. Many math problems are around us, as long as we have a pair of eyes. For example, in the official epidemic data information such as the Internet and TV, when family members take protective measures to go out shopping, in their own online classes, in their own winter vacation plans, in the parent-child interactive dialogue. ...

? Now let's take a look at how children speak with data and how to study the epidemic rationally. The following is a summary and classification of children's research perspectives:

Angle 1: statistical chart.

There was an outbreak of novel coronavirus during the Spring Festival this year. In order to make statistics on the epidemic situation, some children decided to do a small survey. What is the epidemic situation of pneumonia as of the early morning of February 2, 2020 12? Some use broken-line statistical charts, some use bar statistical charts, some use statistical tables, and even some children use fan statistical charts when studying in the new semester. I am amazed at the children's learning ability and hands-on ability! When summing up the problem, we all felt the seriousness of the epidemic according to the analysis. We need to go out less, wash our hands frequently and do strict protection.

Drawing a composite statistical chart can show the children's rigorous research attitude. Data has become a powerful tool for children to study problems, and children's literacy is improving bit by bit.

The pie chart is the content of Level 6 in Unit 5. Before learning, the following child used a fan chart to analyze it, and became familiar with it, marveling at his learning ability and practical ability!

Angle 2: ratio, percentage.

Angle 3: fractional elementary arithmetic.

There is a shortage of masks for front-line medical staff, which needs to be allocated in time. How to meet the demand has caused a mathematical problem.

Look at the children: there is an "inflection point" in the homework, giving the children a platform, just waiting for them to bloom brilliantly!

Angle 4: Common quantitative relations, equation problems, etc.

The price comparison of two kinds of masks and the discount of shopping in the supermarket.

? Crisis is an opportunity and life is a platform. Children observe the epidemic situation from a mathematical point of view, support their conclusions with powerful data and calculations, and learn to put facts and reason. This is the research power. This math practice homework opens the door to children's research. I just hope we have a good future in America!