A9a – Plotting straight line graphs

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Part 1 – Vertical and horizontal lines

Teacher resources for Part 1

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)

Link to Desmos

Links to past exam questions

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Interactive GeoGebra activity: Horizontal and vertical lines and coordinates

Part 2 – Lines of the form y = mx + c

Teacher resources for Part 2

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)

Links to past exam questions

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Interactive GeoGebra activity: Finding the gradient of a straight line

What is the gradient of the line shown?

Interactive GeoGebra activity: Identifying equations of straight line graphs

What is the equation of the line shown?

Interactive GeoGebra activity: Straight line graphs and coordinates
Interactive GeoGebra activity: Draw the line - RECOMMENDED ACTIVITY!

Drag the blue points to match the equation given. The line will turn green if you get it correct! Click the “New line” button to have another go.

With thanks to Steve Phelps, whose Graph the Line worksheet is available here. Material modified and embedded here under the CC-BY-SA 3.0 license.
Interactive GeoGebra activity: Identify the scales

The equation of a line is given. Use this to help identify the distances between adjacent tick marks on each axis. Click the “New question” button to have another go.

Part 3 – Lines of the form ax + by = k

Teacher resources for Part 3

Teachers: log in to access the following:

  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

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In the real world

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