Pacemaker arithmetic program
Subtitle: Teacher's manual
By: Ruth T. Ryder, Phyllis P. Allmond, Valerie E. Mock
Publisher: Fearon-Pitman
Published: 1971
Place of publication: Belmont, Calif
Language: eng
ISBN-13: 9780822404712
Subjects: Arithmetic; Textbooks
Notes: Level A by Ruth T. Ryder ; levels B, F by P.P. Allmond ; levels C-D by P.P. Allmond and V.E. Mock ; level E by V.E. Mock.

Indiana state adopted textbook, 1979-1984.