The book "GIA 2013. Mathematics: thematic training tasks. 9th grade" is a unique guide intended for students who are preparing for the External Independent Assessment in mathematics. The book contains thematic tasks that cover the entire school course of mathematics for the 9th grade. Conducting these trainings will allow students to better familiarize themselves with the format of test tasks, improve their skills in solving mathematical problems, and increase the level of confidence in their knowledge. The book is a reliable assistant in preparation for an important stage of learning, helps to systematize the material and gain the necessary experience for successfully passing the Household Infrared Automation.