GCSE Maths - Percentage Increase and Decrease (Multiplier Method) (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** WHAT'S COVERED ** 1. Calculating percentage increases and decreases using two different methods. 2. Method 1: Finding the percentage value and adding/subtracting it from the original amount. 3. Method 2: Using the multiplier method. 4. Common pitfalls and special cases with the multiplier method. Handling percentage changes less than 10%. Handling percentage increases greater than 100%. ** 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 Introto Percentage Increases and Decreases 0:20 Two Methods Overview 0:37 Method 1: Simple Calculation (Increase Example) 1:33 Method 1: Simple Calculation (Decrease Example) 2:13 Method 1: Contextual Example 3:26 Method 2: Multiplier Method Introduction 4:01 Multiplier Method (Increase Example 1) 4:38 Multiplier Method (Increase Example 2) 5:09 Multiplier Method (Decrease Example) 5:43 Multiplier Method: Percentages less than 10% 6:35 Multiplier Method: Increases over 100% ** 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