A 40-year-old grew up in both the 80’s & 90's. I know, because I turned 10 in 1985 and 20 in 1995. That makes us in between decades. But if you think growing up stops at middle school, then yes; we grew up in the eighties. Supprisingly, I understand both common core and granny method math. Further, the 90's were way better than the 80's. ;)