BBC Bitesize's the name given to the BBC's free online study support resource for school-age students in the United Kingdom. It's designed to aid students in both school work and, for older students, exams. History The original subjects, which included English, mathematics and the sciences, were originally selected from the curriculum for Key Stage 1, Key Stage 2, Key Stage 3, and GCSE in England. Eventually, Scottish subjects used in Standard Grades and Highers were added to the website, an… (More on Bitesize)