Grade 7 to 9 Core Warmup — Day 30 of 40 | Edexcel GCSE Maths (1MA1) Non-Calculator Walkthrough

Master Grade 7 to 9 non-calculator fundamentals on Day 30 of the 40-Day GCSE Maths (1MA1) revision series[cite: 45]. Take 80 seconds to attempt each exam question independently, followed immediately by full step-by-step worked solutions showing where method marks are won[cite: 45, 46]. Timestamps: 00:00 Introduction 00:08 Q1 Midpoint of Coordinates (Question) 01:29 Q1 Midpoint of Coordinates (Solution) 01:49 Q2 Linear Simultaneous Equations (Question) 03:10 Q2 Linear Simultaneous Equations (Solution) 03:30 Q3 Factorising a Quadratic (Question) 04:50 Q3 Factorising a Quadratic (Solution) 05:10 Q4 Exact Right-Angled Trigonometry (Question) 06:30 Q4 Exact Right-Angled Trigonometry (Solution) 06:50 Q5 Simplifying Algebraic Fractions (Question) 08:10 Q5 Simplifying Algebraic Fractions (Solution) 08:30 Q6 Product Rule for Counting (Question) 09:50 Q6 Product Rule for Counting (Solution) 10:10 Q7 Recurring Decimal Proof (Question) 11:30 Q7 Recurring Decimal Proof (Solution) 11:50 Q8 Expanding Surds (Question) 13:10 Q8 Expanding Surds (Solution) 13:30 Next Steps & Revision Resources Questions Covered in Day 30: 1. Finding midpoints between coordinate pairs[cite: 45, 46] 2. Solving linear simultaneous equations by elimination[cite: 45, 46] 3. Factorising non-monic quadratics (5x² - 17x + 6)[cite: 45, 46] 4. Exact trig values with cos(45°) on right-angled triangles to find hypotenuse length[cite: 45, 46] 5. Simplifying algebraic fractions by factorising quadratics and difference of two squares[cite: 45, 46] 6. Applying the product rule for counting three-course meal combinations[cite: 45, 46] 7. Algebraic proof converting recurring decimals (0.1616... to 16/99)[cite: 45, 46] 8. Expanding and simplifying double brackets containing surds[cite: 45, 46] Download the 40-Day Revision Plan workbooks, question packs, and predicted exam papers: https://mygrade9mathstutor.com[cite: 45] Subscribe for daily walkthroughs and exam coaching:    / @mygrade9mathstutor   #GCSEMaths #EdexcelGCSE #1MA1 #Grade7Maths #MathsRevision #NonCalculator #MyGrade9MathsTutor