DescriptionThis easy-to-use educational package provides the materials needed to help fourth-grade students gradually acquire problem-solving techniques. Contents90 problem situations with the problem situation on the front and a reminder of the situation and the manipulation material to be photocopied on the back;1 masters guide with solutions, photocopying material;1 video projection application.The application allows you to project problem situations and work together, add notes, hide or highlight elements using the editor tool. A written record to be completed by the student after the manipulation session, as well as the answers, are also available there. GoalsRead and understand a statement.Solve a problem (with or without manipulation).Use digital data to answer questions. SummaryThe problem situations are divided into 5 series:1. Numbers and calculation2. Logic3. Measure4. Tables and figures5. Space and geometry.