1) The document provides instructions for teachers on using the PowerTeacher gradebook system to take attendance, enter assignments and scores, set up categories and weighting for calculating final grades, and generate reports.
2) Key functions covered include taking attendance, accessing student information and alerts, adding and editing categories and assignments, setting up weighting for calculating term and final grades, and using the grade setup tool for determining final grade calculations.
3) Teachers are instructed to set weighting for elementary schools with terms weighted at 50-50 and categories weighted within terms, and for middle/high schools with terms and categories weighted differently depending on grade level.