We're always looking for fun ways to help teach math. This easy DIY project from El Hada de Papel gets kids involved from the start. A simple roll of the dice and you add on height, but it could get more complicated with a series of cards that say things like "divide height by 2, add 3 inches" or "lose a turn."
Read more: El Hada de Papel (see second paragraph for the English version).
(Image: Hannah, Noah, and Hilke at El Hada de Papel)