esercitazione numeri razionali e percentuali

Quiz
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Silvia Formaggia
Used 14+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(-2/5)2 vale
4/10
-4/10
4/25
-4/25
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2-3
(- 1/2 )3
(1/2)3
1/6
(-1/8)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
32 + 33
35
-37
36
36
4.
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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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