Ordinality: a big idea of early number. The ordinality progression by John Pearson December 2020.

LUMEN presentation by Dr Helen Williams. Supporting Spatial Reasoning in the Early Years.

Spatial Lumen presentation Tall tower girl credit Amanda Belbin
Photo: Amanda Belbin

Article by Janine Davenall. Developing Number Through Tidying Up

Article by Cath Gripton and Deliah Pawluch Counting Collections in the Early Years

Counting Collections - marbles count
Photo: Esther O’Connor