Keeping Time Through the Ages

Math for the REAL World

This trip through history examines how time has been measured, by such methods as observation of natural cycles and different kinds of clocks and watches. Includes illustrations and descriptions of various time keeping devices such as obelisks, sun dials, sand clocks, candle clocks, and incense clocks.

RL
Grades
4-5
IL
Grades
4-5
GRL
Q
Details:
Product type:
ISBN: 978-0-8239-8917-1
Author: Janey Levy
Copyright: 2010
Reading Level: Grades 4-5
Interest Level: Grades 4-5
GRL: Q
Lexile: 800L
Dimensions: 7 1/8" x 8 1/2"