
Proporcionalidade
Authored by Francisco Oliveira
Mathematics, Professional Development
Professional Development
20 Questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Razão é
a soma de duas grandezas.
a subtração de duas grandezas.
a comparação de duas grandezas.
a fração de uma quantidade.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Proporção é
a igualdade entre duas razões.
a comparação entre duas grandezas.
a multiplicação de duas frações.
a divisão de duas frações.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A razão está relacionada com a operação
multiplicação.
adição.
Subtração.
divisão.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A partir das grandezas A e B temos:
a razão A x B
a razão A + B
a razão ou A : B, com B 0
a razão A - B
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se em uma classe tem 10 alunos, sendo 7 meninos e 3 meninas. Dê a razão de o número de alunos na turma para o número de meninas na turma.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sequência 8, 10, 4 e 5 formam uma proporção.
Concordo parcialmente.
Concordo totalmente.
Não concordo.
Talvez seja.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tendo 4, 5, 8 e x formando uma proporção, respectivamente, assinale o valor correto para x.
x = 15
x = 5
x = 2,4
x = 10
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