Teaching calculation : audit and test /
English, Richard, 1957-
Teaching calculation : audit and test / Richard English ; series editor, Alice Hansen. - viii, 88P. : ill. ;
Includes bibliographical references.
Includes bibliographical references.
9781446272763
Arithmetic--Study and teaching (Elementary)
QA 139 ENG 2013
Teaching calculation : audit and test / Richard English ; series editor, Alice Hansen. - viii, 88P. : ill. ;
Includes bibliographical references.
Includes bibliographical references.
9781446272763
Arithmetic--Study and teaching (Elementary)
QA 139 ENG 2013