Teachers quizzed over Welsh standards
As part of BBC Wales' Making the Grade education series, two maths teachers have taken part in an exchange to see what they can learn from each other.
The next set of Pisa global education league tables are published next week, and Wales has been lagging far behind the top performing countries such as Finland.
BBC Wales has brought together two teachers from Bangor, Gwynedd, and Helsinki.
Here, the focus moves to Wales and it is Milka Nieminen's turn to ask the questions of teachers when the issue of trust is raised.