Merttens Ruth, Kirkby David:
New Abacus / Number Textbook (Year 6)
Pearson Education, Oxford (United Kingdom), 2001
Paperback, 72 pages
ISBN: 9780602291129
ISBN-10: 0602291127
New Abacus / Number Textbook
These textbooks allow independent practice of mathematical skills. They present the concepts at an appropriate reading level. Activities with an investigative or process-skill focus encourage creative and mathematical thinking. Problem-solving is included.

