Math-Terpieces: The Art of Problem-Solving
by Greg Tang,Greg Paprocki
ISBN 13: 9780439443883
Format: Illustrated (32 pages) Publisher: Scholastic Press Published: 01 Jan 2004
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The Grapes of Math: Mind-stretching Math Riddles (Scholastic Bookshelf)
by Greg Tang,Harry Briggs
ISBN 13: 9780439598408
Format: Illustrated::Picture Book (40 pages) Publisher: Scholastic Paperbacks Published: 31 Jul 2004