- The NorthStar Listening and Speaking Teacher"s Manual features a unit-by-unit guide including overviews, suggested times, step-by-step teaching suggestions, expansion and homework activities, and links to the companion strand and to MyNorthStarLab; Detailed multi-level strategies and activities so instructors can reach students at different proficiency levels; The Student Book Answer Key and Unit Word Lists for easy reference; and Reproducible Achievement Tests to save time and allow teachers to evaluate students" progress.