Download or read book New Abacus Year 7: Textbook written by Ruth Merttens and published by Ginn. This book was released on 2001-11 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Explore' activities provide a wealth of open-ended activities, including many challenging investigations Carefully graded practice questions Detailed instructions enable children to work more independently with less teacher input.