
Le proporzioni
Authored by Rita Contu
Mathematics
7th - 8th Grade
Used 9+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I termini della proporzione
antecedente postcedente
antecedente consegnante
antecedente e conseguente
antecipante e conseguente
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2:3= 4:6
2 e 6 estremi 3 e 4 medi
2 e 3 estremi 4 e 6 medi
3 e 4 conseguenti 2 e 6 medi
2 e 4 conseguenti e 3 e 6 antecedenti
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3:5 = 15 :25
è una proporzione perchè:
3 x5= 15 x 25
3x15 = 5x25
3x25 = 5x15
3x5+15x25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una proporzione è continua se :
gli estremi sono uguali
i medi sono uguali
gli antecedenti sono uguali
i conseguenti sono uguali
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La proprietà fondamentale delle proporzioni afferma che
il prodotto degli antecedenti è uguale al prodotto dei conseguenti
il prodotto dei medi è uguale al prodotto degli estremi
la somma dei medi è uguale alla somma degli estremi
la somma degli antecedenti è uguale alla somma dei conseguenti
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Da 7 : 4 = 21 : 12 si ottiene la proprietà comporre
(7+4):21= ( 4+21) : 12
(7+4) : 4= ( 21:12) 4
(7+4) : 4= ( 21+12) :12
(7+4) x4= ( 21:12) x 12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
la somma di due numeri 156 e il loro rapporto i due numeri
65 e 91
56 e 100
85 e 71
70 e 86
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