https://phet.colorado.edu/sims/html/fractions-intro/latest/fractions-intro_en.html

https://www.visnos.com/demos/percentage-fraction-decimals-grid

https://www.nctm.org/Classroom-Resources/Illuminations/Interactives/Fraction-Models/

https://www.abcya.com/games/fraction_percent_decimal_tiles

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PRUEBA DE PRÁCTICA (Decimal a Porciento) 

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Cambiar 12% en decimal

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PRUEBA DE PRÁCTICA (Porciento a Decimal)