Calcul mental combiné avec écritures additives

Présentation au sujet: "Calcul mental combiné avec écritures additives"— Transcription de la présentation:

1 Calcul mental combiné avec écritures additives
Dénombrer une collection par addition (temps d’exposition limité: les élèves notent le nombre sous forme additive et le calculent ensuite pendant l’affichage du masque)

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