Assessing math concepts
Subtitle: Combination trains
By: Kathy Richardson
Publisher: Mathematical Perspectives; Distributed by Didax, Inc.
Published: 2003
Place of publication: Bellingham, WA; Rowley, MA
Language: eng
Number of pages: 51
ISBN-13: 9780972423830
Subjects: Mathematics; Counting; Study and teaching (Elementary)
Other titles: Combination trains
Notes: "Concept 5"--Cover.