Unit 1- Percentages

Unit Objectives
Prior Knowledge/For Review – Students should be able to: 
  • Simplify algebraic expression, including factorising
  • Solve equations including with unknowns on one or both sides
  • Solve equations involving squaring or taking square roots
  • Substitute numbers into formulae
IGCSE Core Learning Objectives – Students should be able to:IGCSE Extended Learning  Objectives – Students should be able to:
  • Construct, rearrange and evaluate more complex formulae including;
  • Change the subject of formulae in which the subject appears as part of a denominator (Video 5.05)
  • Change the subject of formulae in which the subject appears more than once (involving factorising) (Video 5.06) (Video 5.07)
Lesson Resources​
0. Formulae Work Booklet
1. Substituting Into Formulae
2. Rearranging Formulae
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