Area of Quadrilaterals Challenge
A randomised 10-question challenge where students calculate area for triangles, parallelograms, trapeziums, rhombuses, kites and composite shapes, with new numbers each…
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Mathematics · Measurement & Trigonometry
An investigation where students compare perimeter and area across rectangles, triangles, parallelograms, trapeziums, rhombuses, kites, circles and composite shapes, using live measurements and formula reasoning.
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A randomised 10-question challenge where students calculate area for triangles, parallelograms, trapeziums, rhombuses, kites and composite shapes, with new numbers each…
A guided Year 8 investigation where students derive area formulas by rearranging parallelograms, duplicating trapeziums, using diagonals for rhombuses and kites, and…
Predict how many small squares fit in a larger one and fill it row by row, practise conversions on a km² → mm² ladder, and compare real objects with 1 m², 1 ha and 1 km².
Investigate where the formula A = πr² comes from by progressively slicing a circle into sectors and rearranging them into a rectangle-like shape. Students work through a…
A guided investigation where students connect radius, diameter and circumference, measure how many diameters fit around a circle, discover π as the…
A story-driven capstone challenge where students design a festival site by solving connected problems involving percentages, linear equations, circumference, circle…
Perimeter Area Investigation is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.