In its report, school inspectorate Estyn makes recommendations for schools, local authorities and the Welsh Government to help improve math skills.
Among the recommendations for schools are:
- making sure that pupils develop secure number, algebraic and problem-solving skills at key stage 3
- improve the quality of teaching and learning in lessons making sure lessons are well structured, engaging and challenging
- minimise early entry for GCSE in mathematics.
Local authorities and regional consortia should: provide support, advice and professional development opportunities for mathematics teachers.
Estyn recommends the Welsh Government should support schools and regional consortia in raising standards in mathematics for all pupils and review National Curriculum level descriptiors at key stage three with a view to 'raise levels of expectation'
More top news
A final dig at the site of an early Medieval chapel on Pembrokeshire beach is expected to reveal more about the history of Wales.
Carwyn Jones speaks to our Political Editor Adrian Masters in the final part of our pre-election series on ITV Cymru Wales.
Alexandra Lodge has been to Aberconwy, where Plaid Cymru, the Conservatives and Labour are all hoping to claim victory.