The human hands are wonderful, convenient manipulatives for teaching children to add within ten. Kindergarteners are able to use their ten fingers to find sums, such as 3 + 5, but can they help Spanky the Three-Toed Slothematician complete the same task using only his six sloth toes? Children’s literature provides a creative vehicle for engaging students in mathematics concepts highlighted in the Common Core State Standards. You are invited to meet the characters who are turning K-2 mathematics lessons into creative learning opportunities for all students.