Door 12: Area and Perimeter Formulas
Perimeter measures the distance AROUND the boundary of a shape
Read the concepts on the whiteboard — your weapons — then walk the corridor and solve the questions to clear the door.
About Door 12: Area and Perimeter Formulas
This door covers Area and Perimeter Formulas from the Grade 4 maths syllabus. First you study the concepts and worked examples on the whiteboard, then you face a corridor of questions — answer correctly to gain energy and build a combo; a wrong answer lets a monster drain your energy. Clear every question to earn up to three stars.
Want to revise first? Read the full lesson in Area and Perimeter Formulas concepts, or jump to another door.