It is so easy to make assumptions about what students know and understand. We do it all the time. Often, it goes completely unnoticed by us, but every once in a while something happens to make these assumptions shine.
I teach in a significantly low-income school. Many of our families receive financial and/or other support from various groups, especially at the holiday season.
Here's a story one child wrote about his family getting presents from the Salvation Army.
My mom is going to the Salvation Army in Dec 21. In 21 my mom is going to the Salvation Army and it has airplanes and helicopters. And no kids allowed so my only my should go and my dad is taking care of us. (The next page with the pictures show the kids at home with dad on one side and mom at the Salvation Army on the other side.) Then mom came home with the presents and we open the presents.