This comprehensive worksheet on significant figures is designed for A-level Chemistry students, but GCSE students can also benefit from this. It provides clear rules and guidance on identifying and using significant figures in measurements, addition, subtraction, multiplication, and division – essential skills for chemistry calculations. This resource includes a summary of key rules, extra practice problems, and detailed solutions to reinforce learning and ensure mastery. Ideal for revision or in-depth practice, this worksheet is provided in PDF format for easy printing and annotation.