Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of problem decomposition. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how problem decomposition works in the real world. In this book, a class learns how to take care of a lizard by breaking down the steps of his care plan. This nonfiction title is paired with the fiction title My Pet Dinosaur (ISBN: 9781538351383). The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.