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Sunnylands Primary School, Carrickfergus

Perimeter Islands

16th Feb 2026

Primary 6 turned into master map-makers as they put their knowledge of perimeter and co-ordinates to the test! Using careful plotting and clever calculations, they created their very own “islands” on the grid. The challenge? Make your islands with the greatest perimeter to claim victory! There was plenty of strategic thinking, teamwork and a little friendly competition along the way.