Teaching objectives:

1, through students' own cutting, cut out regular graphics and cultivate students' practical ability.

2. Deepen the understanding of graphic translation and rotation by combining cutting graphics.

3. Cultivate the initial image thinking ability and logical thinking ability in the process of exploring the law.

Teaching focus:

Cut out regular patterns by hand.

Teaching difficulties:

Cultivate students' thinking ability in images and logical thinking ability.

Teaching methods:

Observation and layered teaching method. With the help of graphics, organize observation, and organize students to understand paper-cutting methods by observing pictures, courseware and other activities.