pptx, 129.62 KB
pptx, 129.62 KB
A simple starter/plenary on whether lines are parallel, perpendicular or neither. A grid is provided to draw some lines with each gradient in case you need to demonstrate or just need to show how things might be rearranged to y=mx+c. Import it into your IWB software. As always, if you use it - please review it.
Creative Commons "Sharealike"

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