Pythagoras and the ratios

An ancient Greek boy, Pythagoras, helps his cousins produce pleasant music when he adjusts the mathematical ratios between the part of their pipes and lyres, knowledge he would later use to become a famous philosopher.

AD740L Lexile|||juvenile

Julie Ellis ; illustrated by Phyllis Hornung Peacock.

Accelerated Reader AR LG 4.2 0.5 135955.