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# Characteristics of polygons.
# Characteristics of polygons.
# Types of polygons.
# Types of polygons.
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+==Building prior competencies==
+Many student are entering Class 9 without adequate understanding of prior concepts like angles, line, etc.
+Therefore, the following sequence of lessons has been suggested with a combination of hands-on activities, Geogebra work to build those concepts in students.
+<mm>[[Polygon_prior_competencies_upload.mm|flash]]</mm>
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==Concept #1. Introduction to polygons and nomenclature.==
==Concept #1. Introduction to polygons and nomenclature.==
===Learning objectives===
===Learning objectives===
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[[File:naming polygons.jpeg|400px]]
[[File:naming polygons.jpeg|400px]]
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