β Escape Blarney Castle with this 3rd grade Saint Patrick's Day math review Escape Room & Webscape. In this printable and digital activity, students practice addition, subtraction, multiplication, division, and telling time as they unlock the codes and escape from Blarney Castle. β· To escape Blarney Castle, students must complete four fun challenges. Each challenge contains a set of math problems that must be solved to continue. Students unlock secret codes that help them complete each challenge