Lista de Exercícios

Nome:                                                                                     Nº         Série

                                    Exercícios de Revisão

1)Resolva as adições e subtrações a seguir:

a) 2+5=                                   b) 10-08=                    c) -03-08=                   d) 05+09=

e) 27-13=                                f) -14-09=                   g) 03+09+06=            h) 10-07-04=

i) -4-3-2-1=                             j) 2+4+7+5+9+3=       k) -8-9-5-2-4-6-1-3-7=

l) 9+5+6+1-7+3-8+1-8+9-4-2+3-7+5=

2)Resolva as multiplicações a seguir (cuidado com a regra de sinais)

a) 5.7=                        b) 3.(-2)=                    c) -4.7=                       d) (-3).(-9)=

e) 6.8=                        f) 9.(-5)=                     g) -5.(-8)=                   h) (+4).(-3)=

i) 3.8.5=                      j) 9.(-5)=                     k) 5.(-7).(+9).(-3)=

l) (-6).(-3).(-4).(-2).(-7).(-5)=                          m) (-4).(+3).(-2).(+9).(-5).(+8)=

3)Resolva as divisões a seguir observando a regra de sinais:

a) 15÷3=                     b) 36/4=                      c)-20∕5=                      d)-24∕-8=

e) (-48)÷(8)=               f) (+69)∕ (-3)=             g) 72∕(-9)=                  h) (-168)∕(-3)=

i) (-4).(-3)/(-2)=           j) 5.(-9)/(-3)=              k) (-8).(-9)/4.(-18)=     l) (-7).(-8)/(-4)=

m) (-4).(-3).(-5)/(-15)=                                   n) 2.(-6).(-7)/(-8).(-3)=

o) (-7).(-4).(-2)/8=