The textbook "Learning Mathematics Effectively with Self-Tests" offers an innovative approach to studying mathematics. It is aimed at students who want to specifically improve their knowledge in the relevant areas of mathematics for the first semesters. The book is structured to begin with example problems that allow learners to check their understanding. If they have sufficient knowledge, they can move directly to the next topic, promoting efficient use of study time. For topics that are not yet fully mastered, the book provides comprehensive explanations and additional practice problems with solutions to deepen understanding. The topics covered range from basic calculation techniques to more complex content such as differential and integral calculus. This textbook is therefore a valuable tool for anyone looking to improve their mathematical skills in a targeted and independent manner.