ISBN 9780325011158 books & textbook
Introduction to Reasoning and Proof, Grades PreK-2 (Math Process Standards Prek-2)
O'Connell, Susan Schultz-Ferrell, Karren Robles, Josepha Hammond, Brenda
HEINEMANN /2007-10-02 Paperback / 176 Pages
isbn-10: 032501115X / isbn-13: 9780325011158
