# Objectif 4 : Additions et soustractions de Fractions - cas simple (Nombres Rationnels)
> [name=Beatrice Battesti - Collège de Casinca]
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### Télécharger les documents
📎 [Fiche de cours](https://nuage03.apps.education.fr/index.php/s/q5fCag5etoANno7)
📚 [Devoirs maison : Automatismes](https://coopmaths.fr/alea/?uuid=d5ee3&id=5N20&alea=4b0e&v=confeleve&v=eleve&title=Automatismes)
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#### Activité
<iframe width="100%" height="340" src="https://polypad.amplify.com/fr/embed/V3SxgvJAQwKOqA" frameborder="0" allowfullscreen></iframe>
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#### calculer avec des fractions
<p><iframe allowfullscreen="" frameborder="0" height="170" src="https://www.youtube.com/embed/lGShZVQlXMQ?wmode=transparent" width="100%"></iframe></p>
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<p><iframe allowfullscreen="" frameborder="0" height="170" src="https://www.youtube.com/embed/9dxCWIdbXXU?wmode=transparent" width="100%"></iframe></p>
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<p><iframe allowfullscreen="" frameborder="0" height="170" src="https://www.youtube.com/embed/qm8YLSWtGXQ?wmode=transparent" width="100%"></iframe></p>
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### S'exercer
<p><iframe mozallowfullscreen="true" src="https://learningapps.org/watch?v=p9fgpgemj20" style="border:0px;width:100%;height:300px;" webkitallowfullscreen="true"></iframe></p>
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<p><iframe mozallowfullscreen="true" src="https://learningapps.org/watch?v=pikrft7it20" style="border:0px;width:100%;height:500px;" webkitallowfullscreen="true"></iframe></p>
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