The Last MarshmallowBoard Book - 2020
"Olivia and Mei have two cups of cocoa and three big marshmallows. Olivia gets one marshmallow, and Mei gets one marshmallow. How will they share the last one? Engages young children in the math of sharing equally"-- Provided by publisher.
Publisher: Watertown, MA : Charlesbridge, 
Characteristics: 1 volume (unpaged) : color illustrations ; 16 cm.