Ajedrez rápido

https://es.m.wikipedia.org/wiki/Ajedrez_r%C3%A1pido

Grandes programadoras

https://www.educ.ar/recursos/132179/ninas-curiosas-que-se-convirtieron-en-grandes-programadoras

Which do you choose?

http://www.dr-mikes-math-games-for-kids.com/rice-and-chessboard.html

Your name in pi!!!!

http://www.dr-mikes-math-games-for-kids.com/your-name-in-pi.html

El tamaño sí importa...

Adivina adivinanza

El número de oro en el arte

https://academiaplay.es/el-numero-de-oro-en-el-arte/

El mayor árbol genealógico

http://www.europapress.es/ciencia/habitat-y-clima/noticia-trece-millones-personas-incluidas-mayor-arbol-genealogico-20180302114532.html

Thirteen million degrees of Kevin Bacon: World’s largest family tree...

http://www.sciencemag.org/news/2018/03/thirteen-million-degrees-kevin-bacon-world-s-largest-family-tree-shines-light-life-span