Building on Vaughn, Bos, and Schumm's (2000) basic, three - level planning pyramid and Tomlinson and Kalbfleisch's (1998) work on differentiated
classrooms, Lawrence - Brown explains how a teacher might address some students» individualized education plan goals by adapting the
classroom curriculum to include manipulatives, visual aids, charts,
audiotapes, and explicit expectations, while also offering an enriched curriculum to gifted students.