Year 9 · Maths · beta

Expressions and formulae

This unit develops pupil understanding of formulae and how to rearrange them. Pupils will learn how to recognise and manipulate binomials and learn to recognise the difference of two squares.

This is an attributed Oak National Academy lesson sequence, not a completed or academically approved DASKEREL course. Supporting transcripts may depend on video, images, practical equipment or teacher explanation. Follow each lesson’s supervision guidance. For religious education and RSHE, follow the school’s syllabus, policy and safeguarding procedures.

Prior knowledge

  • Simplify algebraic expressions
  • Use substitution in expressions and formulas
  • Rearrange formulas involving one or more steps

Source curriculum references

  • Use and interpret algebraic notation, including: ab in place of a × b 3y in place of y + y + y and 3 × y a² in place of a × a, a³ in place of a × a × a; a²b in place of a × a × b a/b in place of a ÷ b coefficients written as fractions rather than as decimals brackets
  • Understand and use the concepts and vocabulary of expressions, equations, inequalities, terms and factors
  • Simplify and manipulate algebraic expressions to maintain equivalence by: collecting like terms multiplying a single term over a bracket taking out common factors expanding products of 2 or more binomials

Oak source metadata. DASKEREL has not independently verified school-level coverage.

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