Beto wants to play tea party with Cora, but his big sister just wants to be a pirate. To get Cora on board, Beto makes a map to a delicious hidden treasure. But Cora ends up in the wrong place! Will Cora find the treasure before Beto eats it all? A playful exploration of mapping, featuring Chicanx (Mexican American) characters and a glossary of Spanish words.

Storytelling Math celebrates children using math in their daily adventures as they play, build, and discover the world around them. Joyful stories and hands-on activities make it easy for kids and their grown-ups to explore everyday math together. Developed in collaboration with math experts at STEM education nonprofit TERC, under a grant from the Heising-Simons Foundation.