GCSE Maths - How to Solve Best Buy Questions (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** WHAT'S COVERED ** 1. Understanding Best Buy Questions Comparing items to find the best value for money. 2. Why Direct Comparison Can Be Difficult 3. Methods for Comparison 4. Method 1: Calculating Cost per Unit 5. Method 2: Calculating Quantity per Unit Cost 6. Worked Examples ** EXAM BOARD INFO ** This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course A-level - Not on your course ** CHAPTERS ** 0:00 Intro to Best Buy Questions 0:16 Example 1: Comparing Drink Bottles 0:40 The Problem with Direct Comparison 0:55 Method 1: Calculating Cost per Litre 1:25 Comparing Costs per Litre & Determining Value 1:38 Method 2: Calculating Litres per Pound 2:10 Comparing Litres per Pound & Determining Value 2:20 Choosing Which Method to Use 2:36 Example 2: Comparing Toilet Roll Packs 2:57 Method: Calculating Cost per Roll 3:19 Comparing Costs per Roll & Determining Value 3:28 Summary ** PLAYLISTS **    • GCSE Maths (9-1)      • GCSE Biology (9-1)      • GCSE Chemistry (9-1)      • GCSE Physics (9-1)      • A-Level Biology   #GCSE #KS3 #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP