ISBN 9780325010335 books & textbook
Introduction to Reasoning and Proof, Grades 3-5 (Math Process Standards Gr 3-5)
O'Connell, Susan Schultz-Ferrell, Karren Robles, Josepha Hammond, Brenda
HEINEMANN /2007-02-19 Paperback / 160 Pages
isbn-10: 0325010331 / isbn-13: 9780325010335