When Number 4 jumps into Flatland, he becomes a square. Meet the rest of the shapes by counting the sides.

Number 12 sings about the different shapes and arrays that they can become.

The shapes introduce themselves and their characterisitcs to the square.

Number 6 shows his friends the sides of his dice and the shapes their friends can make.

Monster Math Square assists a monster with counting how many tea cups she has by lining them up in two rows.