
Números racionais e fração
Authored by DANILO SOUZA
Mathematics
8th Grade
Used 1+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coloque os números racionais -3, 0, 1/2, 2/3, e 5 em ordem crescente na reta numérica.
-3, 0, 1/2, 2/3, 5/2
-3, 0, 2/3, 1/2, 5
-3, 0, 1/2, 2/3, 5/3
-3, 0, 1/2, 2/3, 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique o número racional que está localizado entre -1 e 0 na reta numérica.
-0.5
-1.5
-0.2
-0.8
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
OBSERVANDO OS NÚMEROS DA FIGURA, ASSINALE AS AFIRMATIVAS VERDADEIRAS.
Nenhum é natural.
Todos são racionais.
Não há dizimas periódicas.
Há números inteiros que não são naturais.
Há números racionais não inteiros.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os numeros racionais são numeros...
Que são sempre positivos.
Que sao sempre negativos.
Que podem ser representados com frações.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em quais momentos usamos os numeros racionais?
Para contar objetos(ex.:5 copos,10 maças...)
Para simbolizar numeros negativos.
Para escrever receitas. Ex.: 1/2 xícara de açucar...
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais dos números NÃO é racional?
5/2.
2.5
Raiz de dois.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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