Activity objectives:
1. Perceive the basic features of squares and circles.
2. It can be classified according to graphic features.
I am willing to observe and discover round and square objects and feel the connection between mathematics and life.
4, preliminary training observation, comparison and reaction ability.
5, like math activities, willing to participate in various arithmetic games, and cultivate rebellious thinking.
Situation analysis:
Children's science education is scientific enlightenment education, which focuses on stimulating children's cognitive interest and exploration desire. According to the age characteristics of small class children, learn to know several simple geometric figures in the field of mathematics, and design this kind of activity of knowing and distinguishing figures in combination with children's cognition of figures. Children can distinguish by using their hands and brains, and try to boldly express the process and results of their operations in front of the group, so as to gain graphic knowledge in class.