Download or read book 1999 Abacus Year 4 / P5: Textbook Shape, Data and Measures written by Ruth Merttens and published by Ginn. This book was released on 2000 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook allows independent practice of mathematical skills. It presents the concepts at an appropriate reading level. Activities with an investigative or process-skill focus encourage creative and mathematical thinking. Problem-solving is included.