It's all a matter of perception and communication. When children are home they often see mothers preparing meals, helping with homework, folding laundry and doing other tasks that seem familiar, easy and routine. They're not as aware of what else mothers out of the full-time workforce do while children are at school.
My "day job" as a professor afforded me time and money during the summer to pursue my dream and it was good to step down from the ivory tower and get back into the mix so I submitted my resume. To my surprise, I was promptly called for an interview. The only problem was that I was born in 1961 not 1991.