Factorising Expressions
Factorise algebraic expressions by taking out common factors — identify the highest common factor of all terms and write the expression as a product, e.g., 6x + 9 = 3(2x + 3)
Teaching approaches
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1 approach
Can your child look at an expression like "6x + 9" and rewrite it with the common factor taken out — as "3(2x + 3)"?
Factorise algebraic expressions by taking out common factors — identify the highest common factor of all terms and write the expression as a product, e.g., 6x + 9 = 3(2x + 3)
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Check understanding
- Identify the highest common factor of all terms in an expression
- Write the factorised form as a product of the HCF and a bracket
- Check factorisation by expanding the brackets back out
“Can your child look at an expression like "6x + 9" and rewrite it with the common factor taken out — as "3(2x + 3)"?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Algebra
- Age range
- Ages 12–13
Standards