Learning objects are elements of a new architecture, which provides the educational content in a dynamic manner. The current paper wanted to highlight the advantages of implementing this technology in educational software development. This idea led to the development of an original training system for mathematics, which gives teachers an effective tool that lets them create and customize lessons by easily configuring and assembling reusable objects. The advantages of using such a system can be summarized as follows: the reduction of development efforts for creating the educational content; the ability to quickly change the training materials; the ability to create multiple versions of resources; the ease of searching and retrieving learning resources; the significant increase of reusing the learning content.