More than 20,000 people have signed a petition calling for an A-level exam paper to be reviewed. Some students, parents and teachers said the maths exam was more advanced than in previous years, with questions that were poorly designed and that required "extended algebraic manipulation”. Ofqual, England's exam regulator, said it’s now "closely monitoring" the marking of the paper Tap the link in BBCNews’s bio to read more on this story. #ALevels #BBCNews