Trial and Improvement​

By the end of this unit, students will be able to:

1. understand the trial and improvement method and its applications in problem-solving;
2. apply trial and improvement to solve equations or problems with approximate solutions;
3. analyze the accuracy and limitations of trial and improvement.

Curriculum Alignment: Key Stage 4: Algebra

• simplify and manipulate algebraic expressions (including those involving surds {and algebraic fractions}) by:
  • factorising quadratic expressions of the form x² + bx + c, including the difference of 2 squares; {factorising quadratic expressions of the form ax² + bx + c}
  • simplifying expressions involving sums, products and powers, including the laws of indices