Up and down the number line
Subtitle: changes
By: Cornelia Tierney, Amy Shulman Weinberg, Ricardo Nemirovsky
Contributors: Weinberg, Amy S.; Nemirovsky, Ricardo; TERC (Firm)
Series: Investigations in number, data, and space; Investigations in number, data, and space
Publisher: Pearson Education; Scott Foresman
Published: 2004
Place of publication: Glenview, Ill
Language: eng
ISBN-13: 9780201378269
Subjects: Mathematics; Study and teaching (Elementary); Addition; Subtraction; Study and teaching (Primary)
Notes: "Developed at TERC, Cambridge, Mass."

"Grade 3, also appropriate for grade 4."