Addition of whole numbers
By: Brian E. Enright, with Rebecca Heath.
Contributors: Curriculum Associates, Inc.
Edition: 1st ed. --
Series: Enright computation series
Publisher: Curriculum Associates
Published: 1985
Place of publication: North Billerica, MA
Language: eng
Number of pages: 51
Subjects: Addition -- Study and teaching; Arithmetic -- Study and teaching.; Mathematics -- Study and teaching.