A couple weeks ago, my daughter was doing her math homework at the kitchen table while I was preparing dinner. I could see that she was struggling, but she didn’t say anything. After a while I asked her, “Do you need some help with your math?” If you’re a Gen X-er trying to help a contemporary elementary school child with their math, you know that I really wasn’t sure I could help her. Her math looks foreign to me. I mean, I get the answer, but not the way she is being taught. Nonetheless, I ask...