How do composing and decomposing numbers connect with the properties of addition? Focus on the ideas that you need to thoroughly understand in order to teach with confidence. The mathematical content of this book focuses on essential knowledge for teachers about numbers and number systems. It is organized around one big idea and supported by…

From lesson-planning to instructional practice to classroom management, teachers must make choices constantly and consistently. Sometimes these decisions are easy, but there are some decisions that are very difficult. Such delicate decisions often arise in the world of education and may be detrimental to one's career. Thoughtful decision-making…