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Fundamentos da regra de três simples

Track :

Mathematics
Course Presenter :

Gis com Giz Matemática

Lessons no : 13

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What will you learn in this course?
  • Apply the simple rule of three to solve real-world proportionality problems involving prices, time, and production
  • Differentiate between direct and inverse proportionality in practical scenarios using the rule of three
  • Identify the structure of proportions and set up equations accurately for various mathematical and everyday contexts
  • Use logical reasoning and mathematical strategies to find unknown values quickly and avoid common calculation errors
  • Develop confidence and agility in applying the rule of three to diverse problems in mathematics and daily life
  • Analyze proportional relationships to determine whether variables increase or decrease together or inversely
  • Solve progressively complex exercises involving the rule of three to enhance problem-solving skills
  • Apply the rule of three to optimize calculations in financial, time management, and productivity contexts

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Lessons | 13


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Fundamentos da regra de três simples, ensina de maneira prática e objetiva como resolver problemas que envolvem relações de proporcionalidade entre duas grandezas. O aluno aprenderá a diferenciar situações de proporcionalidade direta, em que o aumento de uma grandeza provoca o aumento da outra, e proporcionalidade inversa, em que uma cresce enquanto a outra diminui. Ao longo das aulas, são apresentados exemplos do cotidiano, como cálculos de preços, tempo e produção, mostrando como aplicar a regra de três para encontrar valores desconhecidos de forma rápida e precisa. O curso também aborda a estrutura da proporção, o raciocínio matemático por trás do método e estratégias para evitar erros comuns. Com exercícios resolvidos e desafios progressivos, o estudante desenvolverá segurança e agilidade no uso da Regra de Três Simples em contextos matemáticos e práticos. Gis com Giz Matemática