The article discusses the use of case technology in an informatics lesson in the 9th grade in the theme "Information resources and servicesof Internet". Students can come to the conclusion about the effectiveness of the use of digital resources to solve everyday problems. They makea list of applications that allow them to find a solution in specific situations; analyze advantages and disadvantages of the selected applications;recommend one application for each situation. Students should present the results of the work in the form of a mind map or a table. The articleprovides an analysis of educational and methodological literature on the theme (first of all, the tasks proposed for solving on this theme areanalyzed); the content of the case for conducting a lesson on the specified theme is described; the stages of work, the time allotted for them aredescribed; the competencies that are formed during the realisation of the proposed case are listed.