SRA Connecting Math Concepts Set of 2 Textbooks Levels C ISBN 0574156542 and D ISBN 0574156445

Package of two hardcover SRA Connecting Math Concepts Student Textbooks. These books are approximately grade 3-5 (depending on the math proficiency of the student). Each student book is designed to be copied from. These books are: Level C copyright 1992, ISBN 0574156542) has Lessons numbered 12-117. Also has an Answer Key at the end of the book. Level D Textbook ( copyright 1993 ISBN 057415645) has lessons numbered from 1-120.