Bar Model Builder

Singapore-style bar models with shared scale and Part-Whole, Comparison, Ratio templates.

What it does

• Horizontal bars with proportional segments
• Shared scale across multiple bars (1 unit on Bar A == 1 unit on Bar B)
• Templates: Part-Whole, Comparison, Ratio, Multiplicative
• Designed for whiteboard problem-solving demos

For UK primary teachers

Bar Model Builder 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.

Open Bar Model Builder now →