Have the kids stand up and count out numbers. Now they know how many kids are in the room. Then have them go and stand in two different corners. Count one co

Have the kids stand up and count out numbers. Now they know how many kids are in the room. Then have them go and stand in two different corners. Count one corner. Then have them stand in three different corners. Count one corner. Finally the four corners. Count one corner. Then have the two tables distribute their students to the corners and figure out these elusive fractions. Have each corner be a Pokemon or something. That should do the trick.