The afternoon of October 18, 2024，Xi'an Mingde Institute of Technology successfully held "Teaching in Mingde - the 6th Teacher Teaching Public Demonstration Class" in Room 203 of Teaching Building No. 4。This course is taught by Associate Professor Dong Hui of the School of General Education，The topic is "The Concept of Derivatives"，New teacher in school、More than 90 people including young teachers and students participated in the demonstration class to observe and learn。This event is carefully organized by the Teacher Development Center，The school teaching supervisor came to the classroom to observe and provide guidance，Aimed at public demonstration classes，Promote the construction of a team of high-quality professional teachers in our school。

Associate Professor Dong Hui，As the person in charge of the "Economic Mathematics" course of the Mathematics Teaching and Research Section of the School of General Education，With its outstanding teaching talents，Won the provincial level、The honor of school-level teaching competition。She is committed to the reform of university mathematics education，Aimed at improving students’ learning effectiveness，She also actively guides m88 online bettingstudents to participate in domestic and foreign mathematical modeling competitions，Repeated success。

In public class，Associate Professor Dong Hui relies on her profound academic foundation and rich teaching experience，Explains the originally abstract and complex concept of derivatives in a simple and easy way、Easy to understand。She cleverly introduced the two concepts of "instantaneous speed of variable speed linear motion" and "tangent slope of the curve" through the case of 100-meter flying man Su Bingtian，Through vivid language and vivid metaphors，Guide students to gradually understand the essence of derivatives。She emphasized that the derivative is the rate of change of the function at a certain point，This property makes derivatives important in physics、Engineering、Widely used in many fields such as economy。After class，Every teacher who attended the class said that her course design is novel、Vivid explanation，Not only gave students a deep understanding of the definition and properties of derivatives，It also inspired their enthusiasm for learning mathematics，Especially the appropriate combination of printed books and PPT，Set a good classroom example to teachers。Combined with this demonstration class，The teachers actively conducted exchanges and discussions，Summary and reflection on my continuous improvement in future m88 online bettingteaching。The school teaching supervisor commented on this demonstration class，And made valuable suggestions。

The successful holding of this open class，Not only shows the teaching style and professionalism of our school teachers，It also provides a platform for teachers and students to learn and communicate。The Teacher Development Center will make the "Teaching in Mingde" series of teaching demonstration classes public，As Xi'an Mingde Institute of Technology strengthens the construction of teaching staff、Important brand activities to promote education and teaching reform，Continue to play its role in promoting academic exchanges、Positive role in improving teaching quality，Contribute to cultivating more high-quality professional teachers with innovative spirit and practical ability。