Unit 4 Queensland Year 8 Maths. Revision of Geometry shapes. adapted worksheet to support students step by step in the application of formula for area and perimeter to shapes including squares and rectangles. This worksheet supports the Year 8 Queensland Maths Curriculum for Geometry. Problems have been taken from unit 4 and have been adapted to guide students through work. Worksheet includes a real world problem in the challenge questions - again with the step by step guide to assist students to reach their answers.