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Desafios que envolve as Frações e Decimais Eliana Viviane B. Leite Conceição
Quais dos colegas de Paulo que acertaram a representação da metade de 1.  Carla: ½ João: 0,5 José: 0,005  Daniele: 1,2
Para quem respondeu somente Carla ou João ganha 5 pontos. Para quem respondeu Carla e João ganha 10 pontos. Quem respondeu José ou Daniele tente mais uma vez.
Resolução Mas o que são frações? As frações são representações de uma divisão. Exemplo: Portanto Carla e João foram os que acertaram. Numerador = 1 : 2 = 0,5 denominador
  Eliana tinha uma coleção de 30 bonecas de pelúcia e deu a seu irmã Daniele 4/5 da coleção. Quantas bonecas Daniele ganhou? a) 24 b) 25 c) 26 d) 27
Para quem respondeu letra a ganhou 10 pontos. Para quem respondeu letra b,c ou d tente mais uma vez.
Resolução: Como foi visto anteriores às frações podem ser representada na forma de divisão então neste caso podemos primeiro realizar a divisão 4:5 e o resultado encontrado ser multiplicado por 30 ou podemos realizar a multiplicação de fração por um número inteiro sendo que o número inteiro terá como denominador igual a 1, como no exemplo abaixo:      .
Observe a parte sombreada nas seguintes figuras e aponte em quais delas a parte sombreada pode ser representada pela mesma fração.  Figura 1 Figura 2 Figura 3 Figura 4
Para quem respondeu que as equivalente são 2 e 3 ganha 10 pontos. Resposta: As figuras 2 e 3 são equivalentes, porque nas duas a parte pintada é 3.
Desempenho ,[object Object]

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Representando Frações e Decimais

  • 1. Desafios que envolve as Frações e Decimais Eliana Viviane B. Leite Conceição
  • 2. Quais dos colegas de Paulo que acertaram a representação da metade de 1. Carla: ½ João: 0,5 José: 0,005 Daniele: 1,2
  • 3. Para quem respondeu somente Carla ou João ganha 5 pontos. Para quem respondeu Carla e João ganha 10 pontos. Quem respondeu José ou Daniele tente mais uma vez.
  • 4. Resolução Mas o que são frações? As frações são representações de uma divisão. Exemplo: Portanto Carla e João foram os que acertaram. Numerador = 1 : 2 = 0,5 denominador
  • 5. Eliana tinha uma coleção de 30 bonecas de pelúcia e deu a seu irmã Daniele 4/5 da coleção. Quantas bonecas Daniele ganhou? a) 24 b) 25 c) 26 d) 27
  • 6. Para quem respondeu letra a ganhou 10 pontos. Para quem respondeu letra b,c ou d tente mais uma vez.
  • 7. Resolução: Como foi visto anteriores às frações podem ser representada na forma de divisão então neste caso podemos primeiro realizar a divisão 4:5 e o resultado encontrado ser multiplicado por 30 ou podemos realizar a multiplicação de fração por um número inteiro sendo que o número inteiro terá como denominador igual a 1, como no exemplo abaixo:     .
  • 8. Observe a parte sombreada nas seguintes figuras e aponte em quais delas a parte sombreada pode ser representada pela mesma fração. Figura 1 Figura 2 Figura 3 Figura 4
  • 9. Para quem respondeu que as equivalente são 2 e 3 ganha 10 pontos. Resposta: As figuras 2 e 3 são equivalentes, porque nas duas a parte pintada é 3.
  • 10.
  • 11. Para quem fez menos de 20 pontos, tente mais uma vez.