Merttens Ruth, Kirkby Dave:
New Abacus / Challenge Book (Year 3)
Pearson Education, Oxford (United Kingdom), 1999
Paperback, 80 pages
ISBN: 9780602290702
ISBN-10: 0602290708
New Abacus / Challenge Book
Aimed at pupils requiring further enrichment and extension, the challenge books develop able pupils' mathematical understanding within a unit. They use open-ended and problem solving activities, but require minimum teacher input and minimum use of additional materials.
