1.
Number Sense and Number Nonsense: Understanding the Challenges of Learning Math
by Krasa, Nancy, Shunkwiler, Sara
ISBN: 9781598570205
List Price: $32.95
2.
How Children Learn Math : The Science of Math Learning in Research and Practice
by Krasa, Nancy, Tzanetopoulos...
ISBN: 9780367744090
List Price: $160.00
3.
How Children Learn Math : The Science of Math Learning in Research and Practice
by Krasa, Nancy, Tzanetopoulos...
ISBN: 9780367744083
List Price: $54.95