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This is a whole lesson on rationalising the denominator.
The lesson involves a starter, plenary, great teaching slides, very clear examples, and answers for the accompanying worksheet. The worksheet is differentiated to clearly show the difference between rationalising when there is 1 denominator and when there is 2. I have also attached an excellent homework sheet and challenging matching activity.
This lesson comes as a four-lesson bundle, which is an excellent sequence of lessons.
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