His fourth throw made 8 - 1 = <<8-1=7>>7 skips.
His third throw made 7 + 3 = <<7+3=10>>10 skips.
His second throw made 10 / 2 = <<10/2=5>>5 skips.
His first throw made 5 - 2 = <<5-2=3>>3 skips.
The total number of skips is 8 + 7 + 10 + 5 + 3 = <<8+7+10+5+3=33>>33 skips.
#### 33