Download or read book New Abacus written by Ruth Merttens and published by Ginn. This book was released on 1999 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides details of the activities outlined on the Teacher Card. Differentiated activities are provided, from paired and group work, to whole class investigations. The activities provide an opportunity for further teaching or STA input. Key learning points are identified for each activity.