Valsa Koshy

math activities for younger gifted children

By Valsa Koshy, Muriel Chester

Mathematics For Primary Teachers

By Valsa Koshy, Ron Casey, Paul Ernest

Bright Challenge: Learning Activities Designed for Able Children and the Enrichment of All 7-11s

By Ron Casey, Valsa Koshy

Unlocking Mathematics Teaching

By Valsa Koshy, Jean Murray