The Introduction to Computer Science Unit is designed to introduce elementary school students to academic concepts and practices of computer science as well as begin developing their computational thinking. The unit consists mostly of unplugged activities, incorporating literacy and math skills through read alouds of Hello Ruby and/or Secret Coders. Each lesson offers multiple activities for students to explore computer science and create classroom artifacts. In addition, students will have opportunities to communicate their ideas, collaborate and problem solve. Finally, students will develop a greater understanding of how block-based programming can be a flexible and meaning programming language.