Bits and Pieces II

Rational numbers

Thomas P. Carpenter

Numbers: rational and irrational

Ivan Morton Niven

The classical fields

H. Salzmann

Here's looking at Euclid

Alex Bellos

A development of the rational number system

Murray Abramson

Traité des quantitez incomensurables [sic]

Jacques-Alexandre Le Tenneur

Deepening children's understanding of rational numbers

Joan Moss

Bits and Pieces II

Catherine Anderson

Connected Mathematics 2 / Grade 6 Student Textbook

Susan N. Friel