Wales also lost ground in science and reading.
Its pupils excelled at numeracy, and topped the table in science and reading.
The government also maintains that Britain has been sliding down international league tables in maths, science and reading.
An international study published last month looked at how students in 65 countries performed in math, science and reading.
The counterpoint to theology is science, and reading Moretti, it's impossible not to notice him jockeying for scientific status.
Pisa tests revealed Finnish pupils produced some of the world's highest scores in maths, science and reading.
Results were worst in Tasmania, with average results "significantly below" the OECD average in maths, science and reading.
The survey, the Program for International Student Assessment, or PISA, includes comprehensive tests in math, science and reading.
Vietnam does very well in the international PISA tables that compare 15-year-olds' performance in maths, science and reading.
In the Common Sense report, for instance, some teachers said that even as they saw attention spans wane, students were improving in subjects like math, science and reading.
A survey published by the OECD last year revealed the UK had slipped down world rankings for maths, science and reading abilities of 15-year-olds.
