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Prerequisites

- A1a – Using and interpreting algebraic notation
- A3a – Understanding and using the concepts of expressions, equations, formulas, identities, inequalities, terms and factors
- A4a – Simplifying and manipulating algebraic expressions by collecting like terms (basic)
- A4b – Multiplying a single term over a bracket
- A4c – Factorising (basic)
- A4d – Multiplying two or more brackets
- A6a – Arguing mathematically

# Using algebra to construct proofs

Teacher resources

Links to past exam questions

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In the real world

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What next?

This lesson covers the types of **algebraic proofs** you will come across. You will also have to be able to construct **geometric proofs** in various lessons—particularly in the following: