Explore new strategies for effective math instruction in your high school classroom!Practical and versatile, Lessons and Investigations to Build Confidence: Elevating High School Mathematics is designed to integrate with any core instructional curriculum. It provides you with innovative resources to enhance student learning, create positive classrooms, and foster mathematical understanding. This book will help you discover new ways to;implement instructional strategies that promote thinking, reasoning, and sense making,create positive classroom environments that support learning,make mathematics accessible to all students,make instructional decisions based on critical content and how students learn mathematics,use assessment to inform mathematics instruction, andprovide feedback to move student learning forward. PART 1 includes more than 360 lessons, investigations, questions, and problems that you can use to promote problem solving, reasoning, and sense making, as well as suggestions for instructional strategies and structures. It is organized using the five content domains for high school mathematics: Algebra, Functions, Number and Quantity, Geometry, and Probability and Statistics. PART 2 includes Considerations—18 research-based teaching practices intended to support you in implementing new instructional strategies and to increase your understanding of current issues related to teaching high school mathematics.