An error analysis in the early grades mathematics – a learning opportunity?

by Roelien Herholdt, Ingrid Sapire
Published 2014-07-01

Evaluation of Back to Basics mathematics workbooks: a randomised control trial of the primary mathematics research project

by Brahm Fleisch, Nick Taylor, Roelien Herholdt, Ingrid Sapire
Published 2011-01-01

A mathematics competence test for Grade 1 children migrates from Germany to South Africa

by Annemarie Agnes Fritz-Stratmann, Lars Balzer, Roelien Herholdt, Lara Ragpot, Antje Ehlert
Published 2014-12-01