…Or…not until we get a tutor.  We got one of those Highlights for kids magazines in the mail. Baby Rangirl was tasked with finding the hidden objects as we all were growing up. But then, she asked a question which stumped me. 

Find the CD. 

“What’s a ‘CD’, daddy?”

I’m out. This new core math teaching is above my pay grade. I didn’t even know how to explain the purpose of a CD to someone who will likely never have to use one.