Organise your and your pupils revision with folders that correspond to the syllabus.
a csv file with section/subsection names which are concatenated to form folders, the file has a general outline of J276 OCR Computer Science but will work with any CSV with 2 columns without any objectionable characters
Sample folders created
This is the first 70 algorithm problems (with solutions, as well) from the set that we use in our CPD - we have 100 problems in the CPD one. This should get your pupils started and well under way into their algorithmic thinking.