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Math in an envelope

tipo de documento French-Foreign Language - Teaching sequence

Equipo Didactalia

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Math in an envelope

Worksheet overview

Description:

An envelope is an object which is used a lot in everyday life. We have all used envelopes to put letters or important documents into and as students we have often had to use them. However, as well as being very useful objects, envelopes are also interesting to analyse from a mathematical point of view. Their geometrical shape is of interest firstly to people who have to make them and secondly to maths students who can use them to review a few interesting concepts such as line symmetry and similarity. I hope you enjoy playing with these envelopes and discovering the maths contained "inside them"

Teaching orientation:

KNOWLEDGE TYPE: procedural

CONEIXEMENT PREVI:Previous knowledge is not necessary

OBJECTIUS DIDÀCTICS: * Discover the shape used to make a rectangular envelope when it is unfolded. * Discover other possible types of rectangular envelopes. * Discover non-rectangular envelopes. * From the final dimensions of a finished envelope be able to illustrate the making of that envelope step by step and then actually make it. * Review the geometry involved in a rectangular envelope.

License:

creative commons: attribution - non commercial - share alike

License description:

The use of the following contents is universal, free of charge and open, provided that it is for non-commercial educative use. The actions, products and utilities derived from its use may therefore not generate any profit. Moreover, a reference to the source is required.

End user:

learner

Context:

classroom

General

Language:

english

KeyWords: rectangular similarity symmetry

Scope: universal

Structure:

linear

Agregation level:

Teaching Sequence

Collection: Descartes

Node:

INTEF

agrega.educacion.es

Repository URL: /repositorio/04032010/06/es_2010030463_9220758

IMS Manifest Download file

Technique

Format:

image/gif

text/html

Requirement type:

browser

Requirement name:

any

Requirement type:

operating system

Requirement name:

multi-os

Installation considerations:

Installation is not required

Other platform requirements:

Install and enable the Java interpreter and Plug-in of the Applet Descartes on local

Educational use

Educational learning resource type:

real or virtual learning environment

Interaction type:

mixed

Interaction level:

high

Semantic density:

low

Age: 14

Difficulty:

medium

Learning time: 1H 40M / 2 teaching units

Educational language:

english

Cognitive process:

analyse

design

implement

Rights

License cost:

Access type:

universal

Access description:

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