Freddie is visiting Aunt Fee, who is baking a cake. Freddie makes a pretend campsite on the rug in the living room for him, Aunt Fee, Alan Acorn and Charlie the Shark. Aunt Fee asks him to get some plates and spoons so they can all enjoy the cake. But Freddie isn’t sure how many he’ll need of each. With the help of his trusty binoculars and the numbers song, Freddie starts to understand how maths can help solve this puzzle.