The human race is split up for her into two parties.
I suggest the rest of you split up into pairs and do the same.
So she's split the twelve up into a two times six.
In this stage, candidates are split up into different groups.
Children are split up into three groups in every grade.
Students in the school are split up into six different houses.
Each day is split up into investigator actions called Time.
Players are split up into teams, most of the time playing separately.
But every teacher - even if split up into subjects?
Is to, split up into pairs, and talk to each other about what you've written down.