Area & Volume
Students work with a scaled floorplan of four rooms, adjust the drawing scale to calculate real floor area, then set a ceiling height and extend the same plan into a 3D…
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Mathematics · Measurement & Trigonometry
Students rotate a 3D sloping pool and estimate water volume from length, width and the shallow and deep depths, converting between cubic metres, litres and water mass. The full interactive is available to licensed Education Universe users.
Ask students to estimate the pool's capacity before calculating it.
Start a free 30-day trial with class codes and progress tracking, or talk to us about your school's licence.
Students work with a scaled floorplan of four rooms, adjust the drawing scale to calculate real floor area, then set a ceiling height and extend the same plan into a 3D…
Ten randomised area questions spanning triangles, parallelograms, trapeziums, rhombuses, kites and composite shapes, with new values on each attempt. The full…
A guided Year 8 investigation showing how the area formulas for parallelograms, trapeziums, rhombuses, kites and composite shapes are derived by rearranging, duplicating…
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.
Students investigate where the formula A = πr² comes from by progressively slicing a circle into sectors and rearranging them into a rectangle-like shape. They work…
A guided investigation in which students connect radius, diameter and circumference, measure how many diameters fit around a circle, discover π as the…
Swimming Pool Volume Explorer 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.