Less than nothing is really something /

Explains in simple terms the concept of positive and negative numbers.

Bibliographic Details
Main Author: Froman, Robert, 1917-
Other Authors: Madden, Don, 1927-
Format: Book
Language:English
Published: New York : Crowell, [1973]
Series:Young math book.
Subjects:
Description
Summary:Explains in simple terms the concept of positive and negative numbers.
Physical Description:33 pages : illustrations (part color) ; 21 x 24 cm.
ISBN:0690488629
0690488637 (lib. bdg.)