Steps to advanced addition and subtraction
Subtitle: sharpening basic skills
By: Craig Borba
Series: Partners in education: parent and teacher; Partners in education: parent and teacher
Publisher: Prentice-Hall Learning Systems
Published: 1977
Place of publication: Englewood Cliffs, N.J
Language: eng
Number of pages: 46
ISBN-13: 9780894284403
Subjects: Addition; Juvenile literature; Problems, exercises; Subtraction