The document contains a list of math problems involving expressions, multiplication, and division. It asks the student to solve expressions with variables, perform multiplication and division with positive and negative numbers, and identify properties like the commutative property being applied. There are over 70 individual math problems and questions for the student to complete.

1. LISTA PLANTÃO – 03
1 – Resolva as expressões:
a] 5 + ( 3 – 1 ) = ________ b] ( 13 – 4 ) – 8 = ________
c] ( 18 – 7 ) + ( 3 – 4 ) = ________ d] ( 15 – 8 ) – ( 8 – 2 ) = ________
e] ( 17 – 7 ) – ( 5 – 10 ) = ________ f] 5 – [ 3 + ( 2 – 5 ) ] = ________
g] 3 – [ 5 – ( 4 – 6 ) ] = ________ h] 2 + [ 8 – ( 7 – 5 ) + 3 ] = ________
i] – 8 + [ 4 – ( 7 – 13 ) – 1 ] + 5 = ________ j] 1 – [ 5 + ( 1 – 9 ) ] = ________
k] – 13 – { [ 10 – ( 7 + 5 ) ] } = ________ l] 12 – ( 7 – 3 ) = ________
m] ( 20 – 3 ) + ( 7 + 5 ) = ________ n] 50 + { [ 15 + ( 3 – 9 ) + 1 ] } = ________
o] 15 – ( 7 + 2 ) – 8 = ________ p] 18 + ( 9 – 15 ) – 8 = ________
q] 7 – [ 4 + ( 3 – 5 ) ] = ________ r] 7 – [ 4 + ( 3 – 5 ) ] == ________
s] { 5 – [ 32 – ( 50 – 20 ) ] } = ________ t] { 16 – [ 12 + ( 20 – 25 ) ] } = ________
u] 10 – { 30 + [ 4 – ( 5 + 2 ) ] } = ________ v] { – 2 + [ 3 – 0 – ( 8 + 1 ) ] – 10 } = ________
2 – Efetue:
a] ( + 2 ) x ( + 1 ) = ________ b] ( + 8 ) x ( + 2 ) = ________ c] ( + 3 ) x ( + 7 ) = ________
d] ( + 3 ) x ( + 4 ) = ________ e] ( + 5 ) x ( + 8 ) = ________ f] ( + 6 ) x ( + 3 ) = ________
g] ( + 9 ) x ( + 4 ) = ________ h] ( + 10 ) x ( + 7 ) = ________ i] ( – 3 ) x ( – 1 ) = ________
j] ( – 4 ) x ( – 5 ) = ________ k] ( – 8 ) x ( – 2 ) = ________ l] ( – 4 ) x ( – 9 ) = ________
m] ( – 7 ) x ( – 5 ) = ________ n] ( – 10 ) x ( – 9 ) = ________ o] ( – 10 ) x ( – 9 ) = ________
p] ( – 7 ) x ( – 1 ) = ________ q] ( – 4 ) x ( – 10 ) = ________ r] ( + 12 ) x ( + 10 ) = ________
s] ( – 4 ) x ( – 11 ) = ________ t] ( + 7 ) x ( + 1 ) = ________ u] ( + 8 ) x ( + 8 ) = ________
v] ( – 5 ) x ( – 5 ) = ________ x] ( – 4 ) x ( – 4 ) = ________ w] ( – 3 ) x ( – 3 ) = ________
3 – Efetue:
a] ( + 3 ) ∙ ( – 2 ) = ________ b] ( + 8 ) ∙ ( – 3 ) = ________ c] ( + 7 ) ∙ ( – 1 ) = ________
d] ( + 8 ) ∙ ( – 4 ) = ________ e] ( + 1 ) ∙ ( – 9 ) = ________ f] ( + 10 ) ∙ ( – 6 ) = ________
g] ( 5 ) ∙ ( – 11 ) = ________ h] ( + 12 ) ∙ ( – 5 ) = ________ i] ( – 8 ) ∙ ( + 1 ) = ________
j] ( – 10 ) ∙ ( + 9 ) = ________ k] ( – 9 ) ∙ ( – 22 ) = ________ l] ( – 1 ) ∙ ( + 15 ) = ________
m] ( – 4 ) ∙ ( – 12 ) = ________ n] ( – 3 ) ∙ ( + 7 ) = ________ o] ( – 5 ) ∙ ( + 8 ) = ________
p] ( – 7 ) ∙ ( + 4 ) = ________ q] ( – 11 ) ∙ ( + 8 ) = ________ r] ( + 3 ) ∙ ( – 2 ) = ________

2. s] ( – 4 ) ∙ ( + 7 ) = ________ t] ( – 9 ) ∙ ( + 11 ) = ________ u] ( + 15 ) ∙ ( – 3 ) = ________
v] ( + 18 ) ∙ ( – 2 ) = ________ x] ( – 1 ) ∙ ( + 23 ) = ________ w] ( + 21 ) ∙ ( – 12 ) = ________
4 – Complete convenientemente as frases abaixo utilizando as palavras positivo ou negativo:
a] o produto de dois números positivos é um número______________________________________________
b] o produto de dois números negativos é um número_____________________________________________
c] o produto de dos números de sinais diferentes é um número______________________________________
5 – Calcule:
a] ( + 3 ) x ( – 2 ) = ________ b] ( + 2 ) x ( – 5 ) = ________ c] ( + 2 ) x ( + 7 ) = ________
d] ( + 5 ) x ( + 4 ) = ________ e] ( + 1 ) x ( – 15 ) = ________ f] ( – 1 ) x ( – 2 ) = ________
g] ( – 5 ) x ( – 4 ) = ________ h] ( + 7 ) x ( – 3 ) = ________ i] ( + 3 ) x ( – 8 ) = ________
6 – Calcule:
a] ( – 2 ) ∙ ( + 5) = ________ b] ( + 7 ) ∙ ( – 8 ) = ________ c] ( – 3 ) ∙ ( – 9 ) = ________
d] ( – 4 ) ∙ ( – 5 ) ∙ ( + 2 ) = ________ e] ( – 7 ) ∙ ( + 2 ) ∙ ( – 1 ) = ________ f] (+ 9) ∙ (– 2) ∙ (+ 5) = _______
g] ( – 5 ) ∙ ( + 3 ) ∙ ( – 2 ) = ________ h] ( – 10 ) ∙ ( + 2 ) ∙ ( + 3 ) = ________ i] (– 1) ∙ (– 4) ∙ (+ 3) ∙ (– 2) = __
j] ( – 5 ) ∙ ( – 3 ) ∙ ( – 8 ) ∙ ( + 3 ) = ________ k] ( + 10 ) ∙ ( – 2 ) ∙ ( + 1 ) ∙ ( – 3 ) ∙ ( + 2) = ________
l] ( – 3 ) ∙ ( + 2 ) ∙ ( – 1 ) ∙ ( + 4) = ________ m] ( – 2 ) ∙ ( – 2) ∙ ( – 2 ) ∙ ( – 2 ) = ________
n] ( + 3 ) ∙ ( + 3 ) ∙ ( + 3 ) ∙ ( + 3 ) = ________ o] ( – 5 ) ∙ ( – 5 ) ∙ ( – 5 ) = ________
7 – Escreva o nome da propriedade aplicada:
a] ( + 8 ) x ( – 5 ) = ( – 5 ) x ( + 8 ) = ______________________________________________________________
b] [ ( – 4 ) x ( + 3 ) ] x ( + 7 ) = ( – 4 ) x [ ( + 3 ) ] x ( + 7 )] = ____________________________________________
c] ( – 9 ) ∙ 1 = – 9 ____________________________________________________________________________
d] ( – 3 ) ∙ ( – 2 ) = ( – 2 ) ∙ ( – 3 )_______________________________________________________________