Haha!
We also had posters, both hand-made and purchased, on the wall with fibonacci numbers, the golden ratio, pascal's triangle, 800 digits of pi, all the multiplication tables, and probably more that I've forgotten. Whenever we baked cookies, she'd come up with some reason we needed to make 1.5 times the recipe or something and quiz us on fraction multiplication. This is what happens when an engineer homeschools, you see.