
Porcentagem
Authored by Jefferson Rodrigues
Mathematics
12th Grade
Used 23+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto é 50% de 200?
25
50
75
100
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto é 12% de 800
240
120
96
82
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Toda porcentagem corresponde a uma parte em cem, ou seja, é a relação de uma quantidade em um grupo de 100 elementos.
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Como se lê 10% .
dez por cento e corresponde a 10 partes
em 100
Cem por dez e corresponde a 100 partes
em 10
Décima parte sobre dez.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quanto é 245‰ de 7.800.
1,715
17,45
191,1
1.911
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
T
A taxa de natalidade e de mortalidade. Por exemplo, quando a taxa de natalidade de um ano atinge 7‰, significa que:
A cada mil habitantes dessa região, nasceram 7 filhos.
A cada cem habitantes dessa região, nasceram 7 filhos.
A cada dez habitantes dessa região, nasceram 7 filhos.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Permilagem é uma expressão parecida com porcentagem, mas ela se refere a 1.000 partes de um todo, e não 100, por isso usa-se o sufixo “-milagem”. Seu símbolo é “‰”.
Verdadeiro
Falso
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