This comprehensive teaching resource, “Relative Formula Mass Calculations” is meticulously crafted for Year 9-11 students following the AQA GCSE Chemistry syllabus. It’s perfectly suited for both Triple and Trilogy science courses. Designed as differentiated “I do, you do, we do” activity, this resource is instrumental in building student confidence in the topic of quantitative chemistry. The worksheets guide students through the complexities of calculating relative formula mass, offering a structured approach that begins with teacher-led examples, progresses to guided practice, and culminates in independent work. The resource includes separate answer sheets, facilitating smooth lesson execution and effective assessment. Whether used as a core teaching material or supplementary practice, this resource is an excellent tool for mastering the intricacies of quantitative chemistry, specifically the calculations of relative formula mass. Ideal for both classroom use and homework,