These lessons have been made to go with the IGCSE course but could easily be adapted. Pupils learn how to write equations for quantities linked by Direct or Inverse Proportion. If you like this resource then please check out my other stuff on TES! :)
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Superb resources - pick up and use immediately: ideal! Thank you!
Thank you so much for sharing!!!
Generally useful but had to delete all the graphs that didn't show direct proportion. Also would be good to explain why the constant is necessary relating it to the gradient of the graph and the line equation.
Life saver!<br />
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