Review equivalent fractions at your math centers or with a game. 32 equivalent fractions task cards, with and without QR codes. Contents32 CCSS aligned math task cards for 4.NF.A.1 & 4.NF.A.2; 16 of the cards are easier and 16 more difficult4 Brain Buster cardsAnswer KeyRecording SheetCard options: with or without QR codes - color or plain black and white border** If you are using the QR codes, please keep in mind that they can be read from a computer screen as well so if that is an option for y