I stole the idea of playing Racko in my classroom from the wonderful @aeakland and her blog http://coefficientsofdeterminations.blogspot.com/ 🙂


Instead of playing Racko as a whole class, I decided to make my own Racko boards from cardboard that I got for free at Jo-Anns Fabric.  I used the cardboard from the center of the material roles and it worked perfectly!  I then cut 8 slits in each of them.  I figured for my accelerated math they could order 8 rational numbers and my regular math class could order five.  I laminated all of the playing cards so they are easier to slide in the cardboard.  I plan on making more cards for when I teach positive and negative numbers on a number line.  




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