The document discusses 7 technologies that are essential for a K-12 classroom: 1) SMARTboards connected to computers and projectors which improve teaching effectiveness and student learning; 2) Handheld devices like iPads which increase engagement and provide multimedia access; 3) Document cameras which allow visual sharing of student work; 4) Teacher-created webpages for improved parent communication; 5) Wikis to promote collaborative learning; 6) These technologies boost classroom communication and provide access to more information for visual learners.