This document discusses the principles of differentiated instruction. It defines differentiated instruction as a flexible teaching approach that adjusts the curriculum and instruction to meet the individual needs of students. The goals of differentiated instruction are to provide access to learning, increase student motivation and learning efficiency by recognizing differences in student backgrounds, readiness levels, interests and learning preferences. Effective strategies for differentiated instruction include ongoing assessment, clear learning goals, flexible grouping of students, and ensuring an appropriate level of challenge through respectful tasks.