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ORC Resource Number #389
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Rectangles and Parallelograms
Best Practice
PROFESSIONAL COMMENTARY

While exploring properties of rectangles and parallelograms using dynamic software, students identify, compare, and analyze attributes of both shapes through physical and mental manipulation. An accompanying applet allows students to manipulate the size, shape, and orientation of a given rectangle and parallelogram. (author/sw)

TECHNOLOGY INTEGRATION
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OHIO STANDARDS
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Mathematics Academic Content Standards
Geometry and Spatial Sense Standard
Mathematical Processes Standard
NATIONAL STANDARDS
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Principles and Standards for School Mathematics
Geometry Standard
Communication Standard
RESOURCE TYPE
Instructional Resource
PRACTICE LEVEL
Best Practice
STANDARDS ALIGNMENT
Grades 3–5
TOPICS
Mathematics --
Geometry;
Plane figures;
Communication;
Technology;
FOUND IN
KEYWORDS
rectangle;
parallelogram;
visualization;
applet
Publisher: National Council of Teachers of Mathematics
Author: Tom Gorski