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Simultaneous equations: 2 variables

Simultaneous equations: 2 variables

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Why this why now

This unit builds from solving equations in Year 8 and develops those skills further.

Prior knowledge requirements

  • Solve linear equations in one variable
  • Interpret solutions graphically
  • Substitute values into expressions

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Why this why now

This unit builds from solving equations in Year 8 and develops those skills further.

Prior knowledge requirements

  • Solve linear equations in one variable
  • Interpret solutions graphically
  • Substitute values into expressions

Simultaneous equations: 2 variables

In this unit pupils will learn to solve a pair of simultaneous equations from different starting points and cases using a variety of strategies.

10 lessons in unit

  1. 1

    Checking and securing understanding of interpreting graphs

    I can read and interpret points from a graph to solve problems.
  2. 2

    Forming simultaneous equations

    I can derive two different simultaneous equations from a context.
  3. 3

    Combining equations

    I can additively combine two equations to create a third valid equation.
  4. 4

    Solving simultaneous equations by elimination from a context

    I can solve two linear simultaneous equations given in context using elimination.
  5. 5

    Solving algebraic simultaneous equations by elimination

    I can solve two linear simultaneous equations algebraically using elimination.
  6. 6

    Solving more complex simultaneous equations by elimination

    I can solve two complex linear simultaneous equations algebraically using elimination.
  7. 7

    Solving simultaneous linear equations by substitution

    I can solve two linear simultaneous equations algebraically using substitution.
  8. 8

    Solving simultaneous linear equations graphically

    I can solve two linear simultaneous equations graphically (0 or 1 or infinitely many solutions).
  9. 9

    Solving simultaneous equations via any method

    I can determine which method of solving is most appropriate and interpret the solutions (in context).
  10. 10

    Problem solving with simultaneous equations

    I can use my knowledge of simultaneous equations to solve problems.

Learn how you can make the best use of Oak resources

A step-by-step guide to getting started

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