Loading Video…
This browser does not support the Video element.
What is 'Russian math'?
Some children are taking "Russian math" after school as an extracurricular activity. FOX 5 NY's Hayley Fixler breaks it down.
This browser does not support the Video element.
Some children are taking "Russian math" after school as an extracurricular activity. FOX 5 NY's Hayley Fixler breaks it down.