This is an Introductory Unit for a Precalculus class. The plans include common core math standards, time frame, activities, enduring understandings, essential questions, and resources used. It is designed to last 20 days, depending on pacing. The plans include: 83-slide presentation, with annotated guide for reference7 Worksheets2 Quizzes"Do Now" Entrance problemsUnit 1.5 Activity - A Three Act Task - Baseball (FREE Download!)Unit Review - PresentationsUnit Review PacketUnit TestUnit 1 Activity