Resumo - Modulo III - Parte 2
Autor: Prof. Edson Santos | Publicado: 2011-09-16T09:07:00-07:00

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Multiplicação de números inteirosSeis amigas estavam jogando e foram marcando os pontos em cada rodada em uma tabela. Escreva na última coluna o total de pontos de cada garota.
1ªrod. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2ª &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3ª &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4ª &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5ª &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6ª &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TotalAna &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;+ 1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + 5 &nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; - 4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + 1 =Bia &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;+ 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; + 2 =Carla  &nbsp;&nbsp;- 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; – 2 = Flávia &nbsp;&nbsp;- 1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + 2 &nbsp;&nbsp;&nbsp;&nbsp; + 5 &nbsp;&nbsp;&nbsp;&nbsp; - 7 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + 1=Luana &nbsp;- 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; – 3=Paula &nbsp;&nbsp;- 4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - 2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; – 2=
Usando a calculadora, efetuem os seguintes cálculos:a) (+ 6) x (- 2) = _______
b) (- 2) x (+ 6) = _______
c) (- 6) x (+ 3) = _______
d) (+ 3) x (- 6) = _______
Calcule o resultado das multiplicações:a) (- 8) x (+ 7) = 
b) (- 19) x (- 5) = 
c) (+ 15) x (- 11) = 
d) (- 21) x (- 6) =
e) (- 35) x (+ 9) = 
f) (+ 44) x (+ 12) = 
g) (- 25) x (- 10) = 
h) (+ 100) x (- 14) =
Divisão de números inteirosSabemos que a multiplicação e a divisão se relacionam e que se...8 x 7 = 56, então 56 : 7 = 8 e 56 : 8 = 7. Sendo assim calcule o resultado das divisões abaixo indicadas, a partir do que você estudou sobre a multiplicação de números inteiros:(- 6) : (- 2) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+ 56) : (- 8) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+ 42) : (- 7) =(+ 24) : (- 3) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+18) : (- 9) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+ 81) : (- 9) =(+ 4) : (- 4) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+16) : (- 4) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (+ 4) : (- 2) =(- 6) : (+ 2) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 30) : (+ 6) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 7) : (+ 7) =(- 27) : (- 3) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 28) : (+7) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 64) : (+ 8) =(- 35) : (- 5) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 36) : (+ 4) = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (- 36) : (+ 6) =Complete:
a) Quando dividimos um número inteiro positivo por um número inteiro positivo obtemos um ______________________________________________________
b) Quando dividimos um número inteiro positivo por um número inteiro negativo, obtemos um ______________________________________________________
c) Quando dividimos um número inteiro negativo por um número inteiro positivo, obtemos um ______________________________________________________
d) Quando dividimos um número inteiro negativo por um número inteiro negativo, obtemos um ______________________________________________________
Verifique quais resultados encontrados por Helena estão incorretos:a) - 12 + 2 = - 10 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; b) - 12 - 2 = + 14c) + 12 - 2 = - 10 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; d) 12 + 2 = + 14e) - 12 - (+ 2) = + 14 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; f) - 12 - (- 2) = - 10g) 12 - (+ 2) = - 10 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; h) 12 - (- 2) = 14i) - 12 x 2 = - 24 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; j) - 12 x (- 2) = 24k) 12 x 2 = 24 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l) 12 x (- 2) = - 24