"The lesson plans on [this] DVD-ROM support standards-based teaching and learning segments presented on the Mathline video series. Lesson plans are presented by grade range and math strand"--Container.
"The PBS Mathline video series was created to offer innovative professional development. This series was designed by teachers for teachers to support National Council Teachers of Mathematics [sic] standards-based learning and teaching."-- Container.
"The PBS Mathline video series was created to offer innovative professional development. The series was designed by teachers for teachers to support the National Council Teachers of Mathematics [sic] standards-based learning and teaching." (container).