WordfirsMeaningeightyPart of speechnumeralPronunciationCourseDanishLessonCounting by tens to 100Usages of firsDet gamle hus har firs senge.The old house has eighty beds.Pigen skriver firs breve.The girl writes eighty letters.Musen er tre år, og skildpadden er firs år gammel.The mouse is three years old, and the turtle is eighty years old.