Class is in session with Ed Sheeran. The singer and songwriter has announced a North American tour, called “+ - = ÷ x,” pronounced “The Mathematics Tour.” Sheeran released a minute-long teaser for the ...

Class is in session with Ed Sheeran. The singer and songwriter has announced a North American tour, called “+ – = ÷ x,” pronounced “The Mathematics Tour.” Sheeran released a minute-long teaser for the ...

(CNN) — Class is in session with Ed Sheeran. The singer and songwriter has announced a North American tour, called “+ – = ÷ x,” pronounced “The Mathematics Tour.” Sheeran released a minute-long teaser ...