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tresquatreicinc: MÉS SOBRE DESCOMPOSICIÓ DEL NOMBRE... | Idee per l'insegnamento, Attività con i numeri, Imparare a contare
G1.1M.C2.PO3 Fact Family Decomposing numbers with dominoes - start with a number in a circle and have students place the dominoes that add up to that number.