How to Expand Double Brackets (Grid Method) | GCSE Maths Grade 4

Expand any pair of brackets with one grid that never misses a term. The grid method and FOIL, negatives, a number in front of x, squaring a bracket, the difference of two squares and a Grade 5 show-that area question. ✅ The grid method: four boxes, four terms ✅ 7 worked examples + 2 exam-style questions ✅ The 2 mistakes that lose marks, including (x + 5)² ≠ x² + 25 ✅ Your turn: 3 practice questions with answers Chapters: 0:00 Intro 0:25 Last challenge answer 0:52 The grid method 1:31 FOIL: another way 2:06 The method 2:31 Example 1: two positives 3:10 Example 2: a negative 3:43 Example 3: two negatives 4:18 Example 4: a number in front 4:56 Example 5: squaring a bracket 5:27 Example 6: difference of two squares 5:55 Example 7: Grade 5+ 6:27 Back to the hook 7:03 Common mistake 1 7:32 Common mistake 2 8:05 Exam question 1: area 8:41 Exam question 2: find k 9:09 Exam tips 9:35 Your turn 10:05 Answers 10:38 Recap 11:02 Challenge & next Challenge: expand and simplify (x + 5)² − (x + 3)². Answer in the next lesson. Comment yours below 👇 Subscribe to Maths Level Up: new GCSE lessons every Mon, Wed & Fri, and a daily maths challenge. #GCSEMaths #Algebra #ExpandingBrackets #GCSERevision