Develop skills in finding the perimeter with this Year 5 Perimeter of Polygons Teaching PowerPoint. Pupils will begin by recapping finding missing lengths in rectangles, before moving on to finding the perimeter of regular and irregular polygons. Linked closely to our worksheets, our teaching slides come accompanied by a selection of fluency, reasoning and problem-solving questions, ensuring children are on track. This resource has been created for main-class or small-group teaching.