There are many challenges for a developer when creating an information visualization tool of some data for a client. In particular students, learners and in fact any designer trying to apply the skills of information visualization often find it difficult to understand what, how and when to do various aspects of the ideation. They need to interact with clients, understand their requirements, design some solutions, implement and evaluate them. Thus, they need a process to follow. Taking inspiration from product design, we present the Five design-Sheet approach. The FdS methodology provides a clear set of stages and a simple approach to ideate information visualization design solutions and critically analyze their worth in discussion with the client.