(www.exemplars.com) is a source for standards-based, tiered lessons with rubrics and student examples in mathematics, science, reading, writing, and research skills. (Tomlinson & Strickland, p. 362).
Examplars, 271 Poker Hill Road, Underhillm VT, 05489.
C. Tomlinson & C. Strickland (2005) Differentiation in Practice: A Resource Guide for Differentiating Curriculum Grades 9-12. ASCD.