
Operazioni e Proporzioni con i Numeri Razionali

Quiz
•
Mathematics
•
8th Grade
•
Hard
Giuseppe Belfiore
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola il mcm di 12 e 18.
24
36
42
30
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il mcd di 24 e 36?
6
12
24
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Esegui l'operazione: 3/4 + 1/2.
3/2
1/4
2/4
5/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Esegui l'operazione: 5/6 - 1/3.
1/4
2/3
1/2
3/6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola il termine incognito x nella proporzione: 3/x = 6/12.
6
12
8
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 20% di un numero è 30, qual è il numero?
200
150
120
180
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una classe ci sono 15 ragazzi e 10 ragazze. Qual è la proporzione tra ragazzi e ragazze?
2:1
5:3
3:2
4:3
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