Each unit is a portion of 120. Nazi Germany units:
AQA should be 30 hours
Edexcel = 36hr
OCR B = 24hr
AQA specifies 57 items which would need depth teaching of some sort
Edexcel specifies 66
OCR B specifies just 20
You can see more comparisons of experiences with specs and available time here andallthat.co.uk/blog/your-gcse…