
Números racionais
Authored by Débora Lorençon
Mathematics
7th Grade
Used 36+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A letra do nosso alfabeto que representa o conjunto dos números inteiro é:
I
Z
N
Q
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
"Uma onda de frio já causou 46 mortes nos últimos dias nos países da Europa Central. No centro da Romênia, a temperatura chegou a - 32ºC na noite passada. No noroeste da Bulgária, a temperatura era de - 22ºC e as ruas ficaram cobertas por uma camada de 10 cm de gelo. Foram registradas as marcas de - 30 ºC na República Tcheca e de - 23ºC na Eslováquia."
Segundo a notícia, o País em que a temperatura estava mais alta é:
Bulgária
Romênia
República Tcheca
Eslováquia
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
EM RELAÇÃO AOS CONJUNTOS DOS NÚMEROS NATURAIS, INTEIROS E RACIONAIS, ASSINALE AS AFIRMATIVAS VERDADEIRAS.
Todo número natural é inteiro.
Todo número inteiro é racional.
Nenhum número racional é natural.
Existem números inteiros que não são naturais.
Somente números não inteiros são racionais.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
E
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
ASSINALE AS AFIRMATIVAS CORRETAS.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o preço do queijo é R$ 29,90 por quilo, quanto custará 0,5 kg de queijo?
R$ 14,95
R$ 29,90
R$ 59,80
R$ 9,90
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