The maths skills of teenagers in parts of the deep south of the United States are worse than in countries such as Turkey and barely above countries such as Chile and Mexico.
Read more: BBC News: US ‘in denial’ over poor maths standards
The maths skills of teenagers in parts of the deep south of the United States are worse than in countries such as Turkey and barely above countries such as Chile and Mexico.
Read more: BBC News: US ‘in denial’ over poor maths standards
DataAngel 