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FICHA DE TRABALHO                                              7º Ano

                                                                              Ficha de Trabalho

                                                                                 Matemática




Problemas:
2. A população de uma cidade A é o triplo de uma cidade B. Se as duas cidades juntas têm uma
 população de 100 000 habitantes, quantos habitantes tem a cidade B?


3. Uma casa com 260 m 2 de área tem 3 quartos com as mesmas áreas. Qual é a área de cada quarto,
 se as outras divisões da casa ocupam 140 m 2 ?

4. Num campo de futebol o comprimento é o dobro da largura e o seu perímetro é 360m. Quais são as
 dimensões do campo?

5. Uma camisola custa o dobro de uma camisa. Sabendo que 3 camisas e 2 camisolas custaram 63€,
 calcula o preço o preço de uma camisola.

6. Numa turma de 28 alunos, o dobro do número de rapazes é igual ao quíntuplo do número de
 raparigas. Quantos rapazes e raparigas tem a turma?

7. A mãe do Manuel tem o triplo da idade do filho. A soma das duas idades é 60. Qual é a idade do
 Manuel?


                                                                                Bom Carnaval!
                                                                            A professora: Rita Sousa

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Ficha de trab. de ferias de carnaval

  • 1. FICHA DE TRABALHO 7º Ano Ficha de Trabalho Matemática Problemas: 2. A população de uma cidade A é o triplo de uma cidade B. Se as duas cidades juntas têm uma população de 100 000 habitantes, quantos habitantes tem a cidade B? 3. Uma casa com 260 m 2 de área tem 3 quartos com as mesmas áreas. Qual é a área de cada quarto, se as outras divisões da casa ocupam 140 m 2 ? 4. Num campo de futebol o comprimento é o dobro da largura e o seu perímetro é 360m. Quais são as dimensões do campo? 5. Uma camisola custa o dobro de uma camisa. Sabendo que 3 camisas e 2 camisolas custaram 63€, calcula o preço o preço de uma camisola. 6. Numa turma de 28 alunos, o dobro do número de rapazes é igual ao quíntuplo do número de raparigas. Quantos rapazes e raparigas tem a turma? 7. A mãe do Manuel tem o triplo da idade do filho. A soma das duas idades é 60. Qual é a idade do Manuel? Bom Carnaval! A professora: Rita Sousa