Learning about time
By: by Raymond J. Bohn and John D. Wool.
Contributors: Wool, John D., joint author.
Publisher: F. E. Richards Pub. Co.
Published: 1969
Place of publication: Phoenix, N.Y
Language: eng
Number of pages: 45
Subjects: Time -- Juvenile literature.; Time.
Description: A simple explanation of time and how it is measured. Includes exercises for adding and subtracting time as well as learning to read clocks.