The 4-Mark Surds Question Predicted for GCSE Mocks

Aiming for a Grade 9 in your upcoming GCSE Maths mocks? In this video, we break down a classic 4-mark higher-tier surds and cuboid volume problem that catches most students out. Learn step-by-step how to set up the algebraic equation, expand brackets, and rationalise the denominator to secure full marks in your non-calculator paper. 📌 Topics Covered: • Setting up volume equations with surds • Expanding algebraic surd expressions • Rationalising the denominator step-by-step • Common mock exam traps to avoid 📚 Watch Next: • Master Grade 8/9 Rationalising Surds Questions (Part 2):    • Master Grade 8/9 Rationalising Surds Quest...   • GCSE Maths Non-Calculator: How to Simplify Root 45:    • GCSE Maths Non-Calculator: How to Simplify...   #gcsemaths #gcse2026 #surds #grade9maths #gcsemocks #mathsrevision