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Listed under: Mathematics > Algebra > Mathematical expressions > Polynomials > Difference of squares

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reSolve: Algebra: Sums & Differences of Squares

TLF-IDM021844

This sequence of three lessons explores sums and differences of two squares. Students are introduced to the historical context of using lookup tables for multiplications and challenged to investigate and generalise the underlying process using algebraic means. In subsequent lessons students use visual and algebraic methods ...

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TIMES Module 33: Number and Algebra: factorisation - teacher guide

TLF-IDM009036

This is a 17-page guide for teachers. It continues the discussion of factorisation. In particular, the techniques for the factorisation of quadratic expressions are presented.