AlgebraHigh Exam FrequencyAQAEdexcelOCRWJEC
Expanding Brackets
Revise Expanding Brackets in Algebra for GCSE Mathematics with 14 exam-style questions and 3 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.
Study this topic
1Introduction2Key Facts3Deep Dive4Notes5Notes6Notes7Notes8Deep Dive9Key Facts10Deep Dive11Notes12Notes
What Does "Expand" Mean?
The Key Rule
Method: Expand Using "Arrows"
Worked Example 1: Basic Expansion
Worked Example 2: With Subtraction
Worked Example 3: Negative Outside
Common Mistakes
Advanced: Double Brackets
The FOIL Method
Alternative: The Grid Method
Worked Example: Double Brackets - Both Positive
Worked Example: Double Brackets - With Negatives
Sample Flashcards
Sign Rules
Positive × Positive = Positive | Negative × Negative = Positive | Different signs = Negative
Expansion Rule
a(b + c) = ab + ac - multiply EVERY term inside by the term outside
Sample Questions
Which expression is equivalent to 3(x + 2)?
Expand -2(3x - 5)
14
exam-style questions
3
revision flashcards
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