So, your child is stuck on their homework. They have to find "unit rate." And you're looking at their homework paper and thinking, "What is unit rate?" Or at least, that's what my husband said when he asked what I was writing about. "Unit rate, huh. What's that?" I was a little surprised that my math savvy husband didn't know about this crucial math skill he probably uses nearly every day. Once I told him what it was he said, "Oh. I use Keep Reading...