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Guides for Physics and Maths exams

Short, practical guides to the skills that every topic depends on: significant figures and units, command terms, graphs, uncertainties and how to revise. Written from scratch, with worked examples and practice questions.

Skills · Physics

Significant figures and units in IB Physics: the rules, with examples

How to count significant figures, how many to give in an answer, when to round, SI base units and how to check an equation with units. Worked examples and practice questions.

≈ 14 min read →

Course guides and formula sheets

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