This is the students’ version of the page. Log in above for the teachers’ version.
Part 1 – Vertical and horizontal lines
Click slide to play video
Teacher resources for Part 1
- 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)
Links to past exam questions
Teachers: log in to access these.
Part 2 – Lines of the form y = mx + c
Teacher resources for Part 2
- 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)
Links to past exam questions
Teachers: log in to access these.
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: 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
- 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)
Links to past exam questions
Teachers: log in to access these.
In the real world
Teachers: log in to view this content.
What next?
- 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