Title: Ages and Timelines: Subtraction on the Open Number Line (Contexts for Learning Mathematics, Grades K-3: Investigating Number Sense, Addition, and Subtraction, 7)
Publisher: FirstHand
Publication Date: 2008
Language: English
ISBN 10: 0325010145
ISBN 13: 9780325010144
Binding: paperback
Condition: New

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About the Author

Cathy Fosnot is a leading voice in mathematics education. She is Professor Emerita of Education at the City College of New York and the founder of Mathematics in the City, a national center for professional development located at the college. In 2007 she established New Perspectives on Learning to devote her time to speaking around the world, fostering school change through professional learning and support, and producing new resources and materials.

Watch Cathy talk about the importance of context in math.

Follow Cathy on Twitter @ctfosnot

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