Share organized mathematical ideas through the manipulation of objects, drawings, pictures, charts, graphs, tables, diagrams, models, symbols and expressions in written and verbal form L= Lesson   P= Practice   I= Interactive Game   R= Teacher Resource   LI= Literature # Type Resource Author/Submitter 1.  L Problem Solving Carroll/Freebern 2.  P Problem Solving Carroll/Freebern   Copyright © 2001-08  Oswego City School District  Elementary Test Prep Center Studyzone.org