GCSE Maths course Numbers Booklet 2 Walkthrough Bounds

Download Numbers Booklet 2 - Bounds from my website mathwithcare.com AQA past paper questions, grouped by topic. In this video: Degree of Accuracy Rule: Divide the unit of accuracy by 2, then add and subtract from the rounded value. Division Bounds Rule: maximum: Upper Bound = Upper Bound / Lower Bound minimum: Lower Bound = Lower Bound / Upper Bound Subtraction Bounds Rule: maximum: Upper Bound = Upper Bound - Lower Bound minimum: Lower Bound = Lower Bound - Upper Bound 00:00 - Introduction (Numbers Booklet 2: Bounds & Accuracy) 00:10 - Q1: Upper Bound for Pressure (Force / Area Division) 02:45 - Q2: Fence Panels Total Length Proof (Nearest 10 cm) 04:04 - Q3: Lower Bound of Algebraic Expression M = (p - 2b) / 2 06:06 - Q4: Festival Attendance Min & Max Bounds (Nearest 1,000) 06:54 - Q5: Maximum Total Money (John & Ellie: Nearest £1 & 50p) 08:03 - Q6: Cuboid Tank Capacity vs. Container (3D Volume Bounds) 10:30 - Q7: Maximum Remaining Ribbon (Subtraction of Bounds) 12:18 - Q8: Van Maximum Load Problem (Potatoes & Carrots Real-Life Bounds)