Leffingwell, Richard.

Adding and counting on / Richard Leffingwell. - Chicago : Heinemann Library, c2006. - 24 p. : col. ill. ; 23 cm. - Basic math Heinemann read and learn . - Leffingwell, Richard. Basic math. .

Includes index.

ISBN: 1403481555 (library binding-hardcover) 1403481601 (pbk.)

LCCN: 2006005175

Subjects--Topical Terms:
Addition.
Counting.

LC Class. No.: QA115 / .L448 2006

Dewey Class. No.: 513.2/11