Ten: why is it important?
By: Illustrated by Charles Stenson.
Contributors: Stenson, Charles, illus.
Series: A Math concept book
Publisher: Lerner Publications Co.; Lerner Publishing Group
Published: 1969
Place of publication: Minneapolis
Language: eng
Number of pages: 48
Subjects: Decimal system -- Juvenile literature.; Decimal system.
Description: Discusses the origin of the number system based on ten, explains how it works, and how it is used in the abacus, the metric system, and our money system. Includes study questions with answers.