No prep fraction center! All you need is to print and grab dice! This has been a favorite in my classroom all year. Easy for me, fun for the kids, and it meets their CCSS learning goals.
Students will roll a dice to fill in the numerator and denominator. Then, they will write and draw the fraction. Next, they create an equivalent fraction, draw it, and explain how they know it is equivalent. I bring this center out every few weeks for a spiral review.
This is great repeated practice for 4.NF.1.