N.B. In American English, Cardinal numbers are more common
FLASHCARDS - INSTRUCTIONS You have a pile of cards. a) Click NEXT to see card 1 = 3/4 b) Click NEXT again to see card 2 = March 4. Repeat (a) and (b) as many times as you wish. When you have memorised a pair of cards, click DELETE to make cards 1 and 2 disappear from the pile.