Proporzioni e percentuali
Quiz
•
Mathematics
•
6th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Laura Buoso
Used 238+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cos'è la percentuale?
è un rapporto che ha il secondo termine uguale a 100
è un simbolo matematico
è una divisione per 10
è una moltiplicazione per 100
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quali fra queste è una proporzione corretta?
2:9=9:3
2:3=8:12
5:7=14:7
1:3=2:3
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Esprimi sotto forma di percentuale il numero decimale 0,4
4%
40%
400%
0,4%
Tags
CCSS.7.EE.B.3
CCSS.7.RP.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale proprietà dice che il prodotto dei medi è uguale al prodotto degli estremi?
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto vale il valore di x nella seguente proporzione 7:6=49:x?
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quanto vale il valore di x nella seguente proporzione 2:5=x:10?
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A una scuola di ballo si sono iscritte 120 persone; il 20% frequentano i corsi di ballo liscio. In quanti frequentano i corsi di liscio?
24
12
30
20
Tags
CCSS.7.RP.A.2
CCSS.7.RP.A.3
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