Geoboard
SVG pegboard for tap-to-make polygons with live area and perimeter readouts.
Launch Geoboard →What it does
- Peg grids: 5x5, 10x10, 12x12, 15x15 on a wooden frame
- Tap pegs to make polygons; rubber-band preview
- Live area (Shoelace) plus perimeter (Pythagorean) per shape
- Move, copy and rotate edit modes; PNG export
For UK primary teachers
Geoboard is part of the free EduMania Teaching Toolbox — 50+ classroom visualisers covering Maths, English, classroom utilities and wellbeing. No sign-up to try, designed for whiteboards and tablets, and aligned to the UK National Curriculum across EYFS, KS1 and KS2.