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Title of the educational product

Geometric constructions - regular polygons

Type of deliverables

Lesson Plan

Student Age

14 - 15

Thematic area

Maths

Language of the deliverable

Polish, English

Description of the educational product

The aim of the lesson is to introduce the topic of geometric constructions from regular polygons. Teaching geometry always makes a huge problem, probably due to the fact that teachers themselves have problems with "geometric seeing ", and a good understanding of the subject requires many hours of work with students, for which teacher usually does not have time.
Activities outside the classroom. Students learn the basic knowledge about the geometrical constructions- regular polygons and practice building polygons. The interest in and understanding of the concept of regular polygons through so broadly conducted classes is greater as at regular activities in classroom.

Supporting Documents:

1. PL_Geometric constructions Regular polygons_Lesson Plan.pdf

Comments on this Educational Product

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Date: 2015.10.14

Posted by:
Viera Kolbaska - viera.kolbaska@gmail.com ()

Resource consists of manual how to demonstrate learning content on polygons to pupils. At first there is presentation of bodies, then simulation using computer, and finally simulation using unconventional natural materials. At the same time it supports the activity and motivation of pupil by asking him/her to connect math bodies with bodies in the real life. Final part of the process is carried out outside of the class, what also contributes to attractivity of this approach.

I personally like that the issue of geometrical bodies is divided into three learning stages, during which pupils gain the idea about bodies in different environments.

I will definitely use this resource, mainly the part about simulation of bodies using unconventional materials outside of the class (I did not have a chance to use materials used by author, yet). I have created bodies made of skewers joined by plasticine and candies. However, I have found out that pupils did not think about the walls of the bodies and did not pay attention to their surface.

Date: 2015.09.18

Posted by:
Massimo Amato - massimo.amato.mail@gmail.com (Italy)

Usually students are in difficulty "seeing" geometry, to recognize structures of polygons and solids.
The use of household objects for the construction of regular polygons is very effective and the students easily remember these lessons.
I also use a lot of images of natural polygons, as the cells of bees, sunflower seeds, hexagonal columns of basalt, ice crystals, ...

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