http://staffweb.brownsburg.k12.in.us/~harp/tiered.htm

• Differentiated Lessons: One school's collection of exemplary lessons
  from the elementary teachers which model differentiated instruction in a
  variety of ways, such as tiered assignments, contracts, and tic-tac-toe
  activities.

http://www.primarysourcelearning.org/teach/best_practices/diff_instruct_bulletin_elem.pdf

• Best Practices Bulletin: Gives examples of best practices of differentiated instruction in the elementary classroom with tiered activities.

http://www.wilmette39.org/DI39/iagc05tier/2ndgradeexample.htm

• Step by Step: Planning a Tiered Lesson: An example of the process for creating a tiered lesson plan. This is a 2nd grade geometry lesson.

http://www.wilmette39.org/DI39/iagc05tier/tieroceanresources.pdf

• Rockland Public Schools: A 4th grade differentiated lesson plan on oceanography.

http://www.wilmette39.org/DI39/iagc05tier/tiersummerofdreams.pdf

• Tiered Reading Lesson Plan: A 3rd grade differentiated reading lesson plan.

http://ideanet.doe.state.in.us/exceptional/gt/tiered_curriculum/welcome.html

• High Ability Education: Lessons differentiated by readiness, interest, or learning styles.

http://www.help4teachers.com/samples2.htm

• Middle and high school sample lesson plans for every subject.