
Cálculo de Porcentagens e Aplicações
Interactive Video
•
Mathematics, Education
•
5th - 8th Grade
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a técnica principal ensinada para calcular porcentagens?
Multiplicar os dois números envolvidos
Usar uma calculadora científica
Transformar em fração
Dividir por 10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa o símbolo de porcentagem (%)?
Por 100
Por 50
Por 1000
Por 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se ajusta o resultado ao calcular porcentagens?
Multiplicando por 10
Adicionando 1
Colocando a vírgula duas casas à esquerda
Subtraindo 5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que fazer quando um dos números tem vírgula ao calcular porcentagens?
Dividir por 10
Multiplicar normalmente e ajustar a vírgula depois
Adicionar 0 no final
Ignorar a vírgula
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas casas decimais são consideradas quando ambos os números têm vírgula?
Três
Quatro
Cinco
Duas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a vantagem do método ensinado para calcular porcentagens?
É mais rápido que outros métodos
Não requer calculadora
É fácil de lembrar e aplicar
Todas as opções acima
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como o método pode ser útil em situações cotidianas?
Para medir distâncias
Para prever o tempo
Para calcular descontos em promoções
Para calcular juros bancários
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