Free maths resources from me, Craig Barton. I am the creator of mrbartonmaths.com & diagnosticquestions.com. I am also the TES Maths Adviser and the host of the Mr Barton Maths Podcast.
A fantastic Powerpoint presentation on Correlation that can be used as the main focus of the lesson. Very thorough and provides suitable questions as well (dependent on having SMP S1 book).
Empty reply does not make any sense for the end user
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