Laid off this week, where do I start? - any advice?

I lost my job as an accounts payable clerk and I am not sure what to do first. I have read a lot of threads here and could not find my exact situation. I have a few weeks of savings and a rent payment due. Is there a checklist I should follow?

I made a short list: benefits, bills, documents, and then my résumé. One thing each day kept me steady.