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SecondaryMaths

Introduction Lesson to Straight Line Graphs, Linear Functions and y=mx+c for KS3 Maths

What's included?

Powerpoint lesson plan

Key Stage

KS3

Age

Years 7-9

Subjects

This lesson introduces the general form of all straight line graphs (y=mx+c), explaining the key features.

PowerPoint Lesson

  • Coordinate the starter to begin with (make sure audio is turned on, as sound is embedded in slides)
  • Phase 1: generate coordinates from functions
  • Phase 2: plot the coordinates on worksheets
  • Extension: Generate and plot coordinates for two non-linear functions

KS3 Maths Curriculum Area

Number Reduce a given linear equation in two variables to the standard form y = mx + c; calculate and interpret gradients and intercepts of graphs of such linear equations numerically, graphically and algebraically


Dave Wilson is a head of maths in Bury. You can find his resources on his TES page davewilson and you can follow him on Twitter at @DLWilson_maths.

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Introduction Lesson to Straight Line Graphs, Linear Functions and y=mx+c for KS3 Maths
SecondaryMaths

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