
NUMERI RAZIONALI
Authored by LIDIA VALLE
Mathematics
9th - 10th Grade
Used 8+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5,12
0,512
0,0512
0,5012
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una fotocopiatrice A produce in un minuto il quadruplo delle fotocopie prodotte dalla fotocopiatrice B. Se A e B lavorano contemporaneamente producono insieme in 1 minuto 30 fotocopie. Quante fotocopie possono essere prodotte in un minuto da due fotocpiatrici del tipo A?
30
48
36
60
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un elefante africano ha una massa di 5x103 kg mentre un topolino ha una massa pari a 2x10-2 kg. Quanti di quei topolini sono necessari per uguagliare la massa dell'elefante?
2,5 x 105
2,5 x 106
2,5 x 101
2,5 x 10-1
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Un numero multiplo di 6 è sempre pari. Vero o falso?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sulla retta orientata sono riportati alcuni numeri. Se moltiplichi n per un numero k ottieni come risultato p=nk. Quale tra i seguenti può essere il valore di k?
4
-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-1
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-8
+6
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