https://youtu.be/L2MyhkLH0HQMission: Perimeter – FREE Worksheet + Video Secure the territories by calculating perimeter!This printable worksheet challenges learners to calculate the perimeter of a variety of shapes by adding the lengths of all sides. Pupils work through increasingly complex territories, building confidence with perimeter in a fun, sci-fi themed context. Designed to be used alongside the Mina and Cortex Perimeter video, this resource works well as an independent task, early fi