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This research is a development that aims to develop mathematical learning media in the form ofan interactive CD. Interactive CD is supporting learning to improve problem solving ability juniorhigh school students. Development of interactive CD using 4D model was modified. Results of theexpert validation assessment showed interactive CD on the very good category with an averagescore of 4.23 out of a maximum range 5. Test the practicality of interactive CD shown by thepositive responses fromdoi:10.24176/re.v7i1.1809 fatcat:fxqezvn7wfh6rg2s43bun4swau