Practice ordering rational and irrational numbers with your students this Pi Day! Use this quick card sort of 15 cards to place real numbers in order from least to greatest. Once in order, students will turn the cards over to reveal the message "Happy Pi Day!" that you can then hang as a banner (bunting) to celebrate 3.14!Don't have time for an activity? Don't worry. Just print and hang this banner for a fun Pi Day decoration!In this card sort activity, the numbers are written as:fractionsdecima