"Cut the patterns. Cut out the halves, fourths and eighths. Use them to help with adding and subtracting fractions and equivalent fractions." Common Core: Fractions: 3.NF.A.1
The imaginative setting of a pizza parlor is used to help with fractions. If each person wants three slices, and everyone wants extra cheese, but only two people want mushrooms....
Not really magic-- just math fun! Numbers should be inserted so that rows, columns, and diagonals all add up to the same sum. Solve the two squares 4 different ways.