This is one of my favourite PowerPoints going through the very interesting topic of shading regions or showing inequalities in graph form. This contains for me normally 2 whole lessons, but could be done in one lesson if the group is already strong at drawing linear graphs.
This PPT contains lots of different examples, clear teaching, with important tips to remember. It comes with some excellent worksheets, answers, starters etc...
This PowerPoint has been very effective at teaching this topic. WORKSHEETS FOR DIFFERENT PARTS OF THESE INEQUALITY LESSONS ARE FREE IN MY SHOP.
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