These google slides task cards are designed for Preschool (PK) or Kindergarten students to develop an understanding of the concept of zero, once they have developed fluency in counting objects (1-1 correspondence) in from 1-9. I created this product to mimic Montessori's iconic spindle box activity. As a former Montessori child, teacher and principal, I am offering this resource free of charge because I feel that all children should experience the joys of Montessori math whether online or in a