Jon_goes_to_the_board.jpg (26 Kb)	Jon goes to the board to give his explaination.
Let's_think_about_it_thumb.jpg (36 Kb)	Two students work hard to figure this one out.
Students_collaborate.jpg (30 Kb)	We're going to get it right.
students_hard_at_work.jpg (31 Kb)	This must be the answer.
students_have_an_idea.jpg (28 Kb)	Is this right?.
students_work_2gether.jpg (33 Kb)	Collaboration must be the key.
student_and_his_notes.jpg (32 Kb)	Let me review this.