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Ft4

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Ft4

  1. 1. Escola Básica Vasco da Gama de Sines Ficha de Cálculo MentalNome: 5º Ano1,2 X 10 = 5 X 12= 15 X 5= 25 + 5= 0,6 + 0,4 =48: 2= 64: 8= 45: 9= 1,2+ 0,8= 5,4+ 1,6=1,5 X 100= 9 X 3= 25 X 2= 1,8 – 0,8= 20,4+0,6=48: 4= 40: 5= 54: 6= 56+ 14= 6,3 + 0,7=12 X 10= 12 X 100= 8 x 9= 63 + 27 = 2+2,4=Professora Helena Borralho _Mat5_2012/13Escola Básica Vasco da Gama de Sines Ficha de Cálculo MentalNome: 5º Ano1,2 X 10 = 5 X 12= 15 X 5= 25 + 5= 0,6 + 0,4 =48: 2= 64: 8= 45: 9= 1,2+ 0,8= 5,4+ 1,6=1,5 X 100= 9 X 3= 25 X 2= 1,8 – 0,8= 20,4+0,6=48: 4= 40: 5= 54: 6= 56+ 14= 6,3 + 0,7=12 X 10= 12 X 100= 8 x 9= 63 + 27 = 2+2,4=Professora Helena Borralho _Mat5_2012/13

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