Malden 's squares include Malden Square ( formerly Converse Square , and the location of downtown Malden ) , Oak Grove Square ( at Oak Grove T Station , Bellrock Square ( at the intersections of Cross , Main and Medford Sts . ) Malden 's squares include Malden Square ( formerly Converse Square , and the location of Downtown Malden ) , Oak Grove Square ( at Oak Grove T Station ) , Bellrock Square ( at the intersections of Cross , Main and Medford Sts . )