Representação dos Números Racionais

Quiz
•
Mathematics
•
1st Grade
•
Hard
Vitor Geruntio
Used 17+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes representações não pertencem aos números racionais
Decimais finitas
Dízimas periódicas
Fracionária
Dízimas não periódicas
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seja o número 0,0444… outra forma de podermos representá-lo é:
4%
Não é possivel representar de outra maneira
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Walter possui um salário mensal de R$ 1 200,00. Sabendo que suas despesas somam ao mês 4/5 desse valor, é incorreto afirmar, que o valor que sobra após o pagamento das contas:
representa 1/5 do salário
representa 0,2 do salário
representa 20% do salário
representa 2% do salário
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Marque a alternativa que apresente corretamente as igualdades:
12% = 3/25= 0,12
75% = 3/4 = 0,2
3% = 1/3= 0,3
4% = 35=0,4%
5.
MULTIPLE SELECT QUESTION
5 mins • Ungraded
Seja x = 2,333 e y = 4/33, x+y pode ser representado como:
2,454545...
2,757575...
27/11
30/11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Todos os números decimais são racionais?
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O número 4 é equivalente à fração:
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