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→Building prior competencies
# Types of polygons.
# Types of polygons.
=Building prior competencies=
Many student are entering Class 9 without adequate understanding of prior concepts like angles, line, etc.
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.
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>
<mm>[[Polygon_prior_competencies_upload.mm|flash]]</mm>
The following Geogebra files are used with associated lessons:
[[:File:0. Angles introduction.ggb]]
[[:File:1. Complementary angles demonstration.ggb]]
[[:File:2. Supplementary angles demonstration.ggb]]
[[:File:3. parallellines-2.ggb]]
[[:File:4. Introduction to a triangle.ggb]]
[[:File:5. Introduction to a polygon.ggb]]
==Concept #1. Introduction to polygons and nomenclature.==
==Concept #1. Introduction to polygons and nomenclature.==