* Cut more than one pie in the same number of pieces each. This lets us talk about "improper" fractions and mixed fractions (integer plus fraction), and converting between them. We can also introduce rational numbers at some stage of child development. | * Cut more than one pie in the same number of pieces each. This lets us talk about "improper" fractions and mixed fractions (integer plus fraction), and converting between them. We can also introduce rational numbers at some stage of child development. |