Delta-K,  Feature Articles,  Volume 1, Issue 2

INTRODUCING CHILDREN TO TOPOLOGY

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 1 Issue 2, April 1962

1 – 4

INTRODUCING CHILDREN TO TOPOLOGY

Pierre de Latil

When she had finished handing round red or blue paper hats, some of them with cockades, to the little girls, the nursery school teacher said to them: “At the signal, all the red hats form together on this side!