Childs, Leigh.

Nimble with numbers : grades 3 and 4 : engaging math experiences to enhance number sense and promote practice / Leigh Childs and Laura Choate. - Menlo Park, CA : Dale Seymour Publications, c1998. - 162 p. : ill. ; 28 cm. - The practice bookshelf series .

ISBN: 1572328428

Subjects--Topical Terms:
Mathematics--Study and teaching.
Mathematics--Problems, exercises, etc.