Math Challenge Level 2: 190 Fun and Creative Problems for Kids
by Marge Eberts, Peggy Gisler, James E. Riley
ISBN 13: 9781596470262
Format: Paperback (192 pages) Publisher: Good Year Books Published: 28 Feb 2005
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Math Challenge Level I: 190 Fun and Creative Problems for Kids
ISBN 13: 9781596470255