AQA GCSE 2019 Maths Paper 1 Grade 9 Questions Walkthrough from a student who scored 95%
This resource contains fully worked, hand-annotated solutions to two exam-style GCSE Maths questions, ideal for revision or exam practice. Question 1 — Probability with Algebra (5 marks) A classic "red and green counters in a bag" problem involving: Setting up probability expressions in terms of unknowns r and g Forming two simultaneous equations from given probability fractions Solving via substitution/elimination to find the original number of red and green counters Full step-by-step algebraic working shown, including cross-multiplication and simplification stages Question 2 — Simultaneous Equations from Graphs (2 marks) Reading solutions to a pair of linear simultaneous equations directly from a graph Identifying the point of intersection as the solution Estimating coordinate values to 2 decimal places What's included: Clear handwritten workings with colour-coded steps Final answers boxed/highlighted for easy checking Method annotations explaining the reasoning at each stage (e.g. "cross multiply to get 2 equations," "solve it") Best for: GCSE Maths students (Higher tier) revising algebra, simultaneous equations, and probability topics; useful for self-teaching or checking your own working against a model answer. Format: 2 pages, PDF
Document information
- Study
- GCSE
- School year
- 1
- Uploaded on
- July 14, 2026
- Number of pages
- 2
- Written in
- 2022/2023
- Type
- Exam (elaborations)
- Contains
- Questions & answers
