Exploring the effectiveness of junior middle school mathematics teaching under the background of double subtraction

摘要

Nowadays，China's education is in the rapid development，mathematics curriculum，as a very important subject in the junior high school education stage，it has its unique role in cultivating students' thinking and innovation ability. Under the background of the implementation of "double reduction" policy，junior middle school mathematics classroom in order to achieve the goal of mass efficiency，you need to closely combine the requirements of "double reduction" policy to optimize mathematics classroom teaching strategy，help students to find suitable for their own learning way，to ensure that junior middle school mathematics classroom teaching to reach the ideal teaching level，effectively improve the junior high school students' mathematics core literacy.