Vocal communication is required for expressing or exchanging ideas by the means of spoken word; hearing is required to perceive information at normal spoken word levels; visual acuity is required for preparing and analyzing written or computer data, determining the accuracy and thoroughness of work, and observing general surroundings and activities. Job Function: The Mathematics Teacher (Algebra 2 and Geometry) actively instructs students, creates lesson plans, assigns and grades homework, manages students in the classroom, communicates with families, and helps prepare students for tests.