Lisa Greathouse 
Puesto de comida [PDF ebook] 

Learn basic subtraction at the snack shop! This charming, Spanish-translated title uses familiar examples of children buying snacks at a snack shop to make learning subtraction and number operations easy and fun! If there were four lollipops, but a girl bought three, then one lollipop is left! With the help of practical examples, vivid images, mathematical diagrams, and engaging "You Try It!" problems, children will improve their subtraction skills and their understanding of early STEM themes.