Forty-two kindergarten children who received number concept instruction using a part-part-whole curriculum that stressed set-subset relationships developed a more mature concept of number, were more ...

Teaching Children Mathematics (TCM) is an official journal of the National Council of Teachers of Mathematics and is intended as a resource for elementary school students, teachers, and teacher ...

A number board teaching number concepts using counters (bottle tops); A set of coloured mathematical shapes for teaching colour, shapes and space concepts; ...