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Year 9 · Your subject space

Maths

Explore numbers, shapes and ways to solve problems.

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How to learn in Year 9 Maths

Watch this short guide, then choose a lesson below.

Learn through explanations, worked examples and practice.

Your earlier submitted work and progress are retained in your learning history. These replacement lessons have their own progress.

Number

  1. Keep an exact root when needed
  2. Calculate the coefficient and scale
  3. Repeated changes multiply

Algebra

  1. Reverse a two-bracket expansion
  2. A zero product gives alternatives
  3. One pair must satisfy both rules
  4. Look beyond the first difference

Graphs

  1. An intersection answers two questions at once
  2. Gradient describes a rate
  3. A fixed journey: more speed, less time
  4. Repeated scaling makes a curve

Geometry

  1. Use corresponding sides consistently
  2. Choose sides relative to the angle
  3. Find a missing side
  4. Work backwards to find an angle
  5. A cross-section repeats along the prism
  6. Separate space inside from material outside
  7. Measure clockwise from north
  8. A locus is a set of permitted positions
  9. A vector records a displacement

Probability

  1. The second probability can change

Statistics

  1. A large sample can still be biased
  2. Keep each pair together
  3. Association is not a causal experiment
  4. Compare centre and spread together

Reasoning

  1. One example can disprove an always claim

Check your learning

  1. Year 9 Maths — course check