You need to make 18 cupcakes for a birthday party. You have already made 11. How many
more cupcakes do you need to make? Write an equation and solve.
018-c= 12; 12 more cupcakes
Oc+ 11 = 18; 8 more cupcakes
011+ c = 18; 7 more cupcakes
018-c= 11; 11 more cupcakes
