Frame model, you can understand these graphics more emotionally; Ask students to collect common three-dimensional figures in daily life, such as "ink box, medicine box, milk powder box, glass ball, jumping chess piece", and then expand some of them, so that students can understand their plane development diagrams more intuitively and deepen their understanding of these three-dimensional figures and their plane development diagrams.
2. Developing math activity class is beneficial to cultivate students' innovative consciousness and application ability. Mathematics activity class is based on people's scientific and technological activities, and its main purpose is to improve students' scientific and technological quality. Teachers arrange small productions in activity classes from the perspective of applying what they have learned.
3. Developing math activity courses can promote students' healthy physical and mental growth. High-quality and efficient activity courses can greatly promote students' personality, interest orientation, ability formation and creative thinking quality. Students will encounter many difficulties in the process of activities and experience the distress of failure. However, if they succeed through hard work, they will experience the hardships of studying science and the joy of success. More importantly, they will exercise their will and develop their non-intellectual factors.