WORKSHEET: INTEGERS 2- SOLUTIONS EXERCISE 5


5)Work out these operations:


a) (-7) + 5 – 12 =
  = -7 + 5 - 12 = -14
b) (-8) –(-5) + 4 =
  = -8 + 5 + 4 = 1
c) 8 + 7 – (-4) =
  = 8 + 7 + 4 = 19


d) [-3+2] – 3 + (-12) =
  = -1 - 3 - 12 = -16
e) 17 + 2x3 - 5=
  = 17 + 6 - 5 = 18
f) (-5) – 1 + (-7)x(-2) =
  = -5 - 1 + 14 = 8


g) (-1)x(-7) – (-3)x2 + 11 =
  7 + 6 + 11 = 24
h) –7 x 5 + 23 – (-2) =
  -35 + 23 + 2 = -10
i) (-18) - 4 + 5x(-1)=
  -18 - 4 - 5 = -27


Return