Looking for a fun and challenging end-of-year math activity? This Design a Zoo Project-Based Learning (PBL) resource is perfect for upper elementary and middle school students! With a $60 million budget, students become engineers and zoologists tasked with designing the ultimate zoo—complete with buildings, paths, and animals. To make the activity exciting, students can choose from regular animals, endangered species, or even extinct creatures like dinosaurs, woolly mammoths, and dodo birds! T