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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.
The modules are written for teachers. They provide the mathematical background to help teachers plan the development of topics in their classrooms. This module is related to Module 24: Number and Algebra: negatives and the index laws in algebra - teacher guide, Module 23: Number and Algebra: algebraic expressions - teacher guide, Module 26: Number and Algebra: linear equations - teacher guide, Module 32: Number and Algebra: fractions and the index laws in algebra - teacher guide, Module 34: Number and Algebra: quadratic equations - teacher guide, and Module 35: Number and Algebra: the quadratic function - teacher guide.