Les unités de longueur (9e-GM.1)
Dans cette vidéo, tu vas découvrir les unités de longueur, et les manières les plus adaptées pour convertir d’une unité à l’autre.
Thèmes
Nombres :
• Les nombres naturels
• Fractions
• Puissances et racines
Géométrie :
• Périmètre et aire de polygones
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