⚔️ Crack the fortress code. Unlock the gate. A print-and-go mixed perimeter and area escape room for 4th Grade. Students work as Roman surveyors defending a frontier fort, solving four geometry puzzles to unlock the Centurion's gate. What's inside • 19-slide PowerPoint. • Three differentiated student sheets (support / standard / stretch). • Teacher answer key + 3 hint cards. Differentiation • Support — simple rectangles, single-digit dimensions. • Standard — mixed two-digit dimensions, compound