This text looks at how teachers implement national math and science standards in their classrooms. The contributors offer insights about how children think and reason as they pose questions, collect data, and build data models to answer their questions. CONDITION â USED: Books sold are in GOOD or better condition. Good Condition: Minimal damage to the cover, dust jacket may not be included, minimal wear to binding, most of the pages undamaged(e.g., minimal creases or tears), highlighting / underlining acceptable on books as long as the text is readable and markings are not excessive, no missing pages. May be a former library book, with usual treatments(e.g., mylar covers, call stickers, stamps, card pockets, barcodes, or remainder marks). Extra components, such as CDs, DVDs, figurines, or access codes are not included. ISBN: 9780807741412 ISBN10: 0807741418 Contributors: Lehrer, Richard, Schauble, Leona,