The Ministry of Education Science and Technology represented National Mathematics Education Advance Plan in 2012. The plan is focused on reinforcing mathematics education, improving understanding about mathematics, and enhancing self-guided learning. After the National Mathematics Education Advance Plan new middle school mathematics textbooks have been developed and they will be used from 2013. The purpose of this study is to analyse those mathematics textbooks to find how the National Mathematics Education Advance Plan is affected to the mathematics textbooks. This study found some important aspects affected from the Advance Plan to those textbooks and some implications for the future Korean mathematics education.