Curriculum guidelines for maths at Key Stage 3 and 4 can be found here:
http://accac.org.uk/uploads/documents/21.pdf
The new curriculum and programme of study, implemented from 2008, can be downloaded here:
http://new.wales.gov.uk/topics/educationandskills/curriculumassessment/arevisedcurriculumforwales/nationalcurriculum/mathsnc/?lang=en
Pick up some tips for maths in our online training
Games and materials for secondary Number Partners sessions