If your work history is patchy (esp if you've been in and out of positions due to moves, mat leave, etc) it can be best to put your skills up top and then the chronological details of jobs and quals after that.

I like to lead out with an objective at the very top, ie "To secure a part-time position in a workplace that values my xxx, xxx and xxx (most important personal attributes)." It gives your prospective employer an idea of the sort of workplace vibe you are looking for.