Simplifying Expressions
Revise Simplifying Expressions in Algebra for GCSE Mathematics with 11 exam-style questions and 5 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.
Study this topic
What Does "Simplify" Mean?
What Are "Like Terms"?
Method: Collecting Like Terms
Worked Example 1: Basic Simplification
Worked Example 2: Multiple Variables
Worked Example 3: With Powers
Common Mistakes to Avoid
What is Substitution?
Method: How to Substitute
Key Rules to Remember
Worked Example 4: Basic Substitution
Worked Example 5: With Powers
Worked Example 6: Negative Values (Tricky!)
Substitution: Common Mistakes to Avoid
Words to Algebra
Key Translations
Worked Example 7: Age Problem
Worked Example 8: Consecutive Numbers
Sample Flashcards
Sample Questions
Which two terms are like terms?
Explain why 3x + 2x² cannot be simplified to 5x³.
11
exam-style questions
5
revision flashcards
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