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Finding Areas on Dot Paper

David Pagni 

January 2007, Volume 12, Issue 5, Page 274

Abstract:
Investigative activities to assist students in constructing area formulas by partitioning geometric shapes on dot paper. Formulas are found in square units and triangular units (on isometric dot paper). Algebraic concepts are used to relate the triangular unit to the square unit and compare formula's for both units.

Keywords:
Grade 8
Article
Conceptual Development
Grades 6-8
Area
Math Coordinator / Coach
Teacher
Lesson Plans
Reasoning and Proof
Representation