Math in an envelope

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INTEF

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"

Knowledge area
Educational context
Resource type
Collections
License type universal Licencia de Creative Commons
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
End user learner
Contributions
publisher INTEF 14/03/2025 publisher INTEF 14/03/2025 publisher INTEF . 14/03/2025 publisher INTEF 14/03/2025 author Ángel Cabezudo Bueno 14/03/2025 publisher Instituto de Tecnologías Educativas (ITE) 14/03/2025 editor Instituto de Tecnologías Educativas (ITE) 14/03/2025 technical validator José Luis Alcón Camas 14/03/2025