Mental math in the primary grades
By: Jack A. Hope ... [et. al.].
Contributors: Hope, Jack A.
Publisher: Dale Seymour Publications
Published: 1988
Place of publication: Palo Alto, CA
Language: eng
Number of pages: 117
Subjects: Mathematics -- Study and teaching (Elementary); Mental arithmetic -- Problems, exercises, etc. -- Juvenile literature.
Notes: "Blackline masters"

For grades 1 to 3.