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[accordion] [toggle title=”Prerequisites” state=”closed”] [/toggle] [/accordion]Part 1 – Vertical and horizontal lines
Click slide to play video
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[toggle title=”Teacher resources for Part 1″ state=”closed”]
- Coordinate grids – one quadrant (0 to 10) – for Alpha Exercise:
- Coordinate grids – four quadrants (-10 to 10) – for Beta and Gamma Exercises:
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)
- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)
- Interactive Desmos graph showing horizontal and vertical lines (external site)
Teachers: log in to access these.
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[toggle title=”Interactive GeoGebra activity: Horizontal and vertical lines and coordinates” state=”open”]
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Part 2 – Lines of the form y = mx + c
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[toggle title=”Teacher resources for Part 2″ state=”closed”]
- Coordinate grids – one quadrant (0 to 10) – for Alpha Exercise:
- Coordinate grids – four quadrants (-10 to 10) – for Beta and Gamma Exercises:
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)
- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)
- Interactive Desmos graph showing lines of the form y = mx + c (external site)
Teachers: log in to access these.
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[toggle title=”Interactive GeoGebra activity: Finding the gradient of a straight line” state=”closed”]
What is the gradient of the line shown?
[/toggle] [toggle title=”Interactive GeoGebra activity: Identifying equations of straight line graphs” state=”closed”]What is the equation of the line shown?
[/toggle] [toggle title=”Interactive GeoGebra activity: Straight line graphs and coordinates” state=”closed”] [/toggle] [toggle title=”Interactive GeoGebra activity: Draw the line – RECOMMENDED ACTIVITY!” state=”open”]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. [/toggle] [toggle title=”Interactive GeoGebra activity: Identify the scales” state=”closed”]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.
[/toggle] [/accordion]Part 3 – Lines of the form ax + by = k
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[toggle title=”Teacher resources for Part 3″ state=”closed”]
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[toggle title=”In the real world” state=”closed”]
- Coordinate grids – one quadrant (0 to 10) – for Alpha Exercise:
- Coordinate grids – four quadrants (-10 to 10) – for Beta and Gamma Exercises:
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)
- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)
Teachers: log in to access these.
[/toggle] [/accordion]Teachers: log in to view this content.
[/toggle] [/accordion] [accordion] [toggle title=”What next?” state=”closed”]- A10a – Identifying and interpreting gradients and intercepts of linear functions graphically and algebraically – gradient and intercept should be your next topic, if you are not already familiar with them.
- A9b – Using y = mx + c to identify parallel and perpendicular lines
- A9c – Finding the equation of a line through two given points or through one point with a given gradient