Graphs and relations
Subtitle: experimental course for grades 4,5, and t.
Series: Trial curriculum materials; Trial curriculum materials (Ontario Institute for Studies in Education)
Publisher: OISE
Published: 1967
Place of publication: Toronto
Language: eng
Subjects: Geometry -- Study and teaching (Elementary); Graphic methods -- Study and teaching.; Mathematics -- Study and teaching (Elementary)
Notes: On cover: Experimental materials.