In my opinion, to improve the effectiveness of mathematics teaching, we must first make students like learning mathematics, let students like learning mathematics, praise students by every means, and let students see their progress.

Secondly, to encourage students to actively participate, we should try to reduce the restrictions on students. In class, students are allowed to answer first, ask questions, take the initiative to perform on the blackboard, and let them get out of their seats to help students with difficulties.

Thirdly, organizing students' discussion and creating opportunities for students to actively participate can not only arouse students' enthusiasm and play their complementary roles, but also change teachers' centralized teaching and enliven the classroom atmosphere.

Fourth, students should give timely feedback and correct the information they have learned. In my teaching practice, students practice, proofread and correct in class. This learning method has made rapid progress and achieved remarkable results.