The math activity "interesting sorting" in the middle class is to try to sort the flowers of two colors according to certain rules, and initially master two different sorting rules and methods. Feel all kinds of interesting sorting phenomena and experience the application of sorting in life. Cultivate children's comparative judgment ability, guide children to actively interact with materials, experience the fun of mathematics activities, and develop children's logical thinking ability.

The origin and reality of mathematics exist in reality and are applied to reality. Mathematical process should be a process to help children turn practical problems into mathematical problems. The content selection of educational activities should be close to children's life, and choosing things and problems that children are interested in will help expand children's experience and vision.

Interesting sorting activity process

Guidance, children, look at what's on the table. Please find this ruby as a starting point and let these small flowers line up regularly on it. How to arrange children's communication after operation? Please redesign the lace. It's better to be different from others. After the homework, the children showed the arrangement methods one by one and concluded that there are so many different arrangements for the two flowers. Guidance, children, you are great. Please let Xiaohua go back to the small basket and have a rest.

Tidy up in front of the mirror and experience different tidying methods. This is a napkin. Please draw a picture on it with a pen. Let's ask these two mirrors to help us do magic and change gifts. When the children finish painting, we will look in the small mirror to see what will happen to our painting when they hold hands. Children use two mirrors to explore and observe the changes in the mirrors.