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By the end of this unit, students will be able to:
understand the trial and improvement method and its applications in problem-solving;
apply trial and improvement to solve equations or problems with approximate solutions;
analyze the accuracy and limitations of trial and improvement.
National Curriculum Objectives
Key Stage 4: Algebra
simplify and manipulate algebraic expressions (including those involving surds {and algebraic fractions}) by:
factorising quadratic expressions of the form x2Â + bx + c, including the difference of 2 squares; {factorising quadratic expressions of the form ax2Â + bx + c}
simplifying expressions involving sums, products and powers, including the laws of indices
