The Last Marshmallow (Storytelling Math)

Playing in the winter snow calls for hot cocoa! Explore early math concepts as the friends try to evenly split some tasty marshmallows.

Caldecott Honor winner Grace Lin celebrates math for every kid, everywhere!

After playing in the snow, Olivia and Mei are ready for cocoa. There's one marshmallow for Olivia and one marshmallow for Mei. But what will they do with the third marshmallow? How can two friends share three things fairly?

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.

Grace Lin is the author and illustrator of more than twenty books for children, including the Newbery Honor Book Where the Mountain Meets the Moon (Little, Brown), the Geisel Honor Book Ling and Ting: Not Exactly the Same! (Little, Brown), and The Ugly Vegetables. She is also the co-author and illustrator of Our Seasons. She lives in Florence, Massachusetts.