The Best of Times: Math Strategies That Multiply
by Greg Tang,Harry Briggs
ISBN 13: 9780439210447
Format: Illustrated (32 pages) Publisher: Scholastic Press Published: Sep 2002
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The Grapes of Math : Mind Stretching Math Riddles: Mind Stretching Math Riddles
ISBN 13: 9780439210331
Format: Hardcover (40 pages) Publisher: Scholastic Pr Published: Feb 2001
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