Labour education spokesman Kevin Brennan has been mocked after a blunder in the Commons.
The former economics teacher said:
"Only three in 10 pupils - that's 60% because I know the Secretary of State (Michael Gove) is not very good at maths - only three in 10 pupils got a good GCSE in 1997."
Mr Brennan had been attempting to challenge reports that the UK Government was considering ditching GCSEs in favour of a return to O-level style examinations. The slip-up provoked much heckling from the Government front benches.
While Mr Gove was speaking later, Labour MPs questioned his use of statistics but he replied: "I think, given the questions that were put by the Honourable Member, trading percentages across the despatch box is not an area in which Labour can consider themselves to be strong."
More top news
Police found more than 20 cannabis plants, a small amount of cocaine and a prohibited stun-gun at the home of Richard Williams.
Finance Secretary Mark Drakeford and his Scottish and Northern Irish counterparts demand no further public spending cuts in the UK Budget.
An investigation is underway after the hedgerow beech trees, aged 150-200 years old, were found cut down in Blackwood.