Challenge, a program for the mathematically talented, grades 3-6
By: Vincent Haag...[et al.].
Contributors: Haag, Vincent H.
Edition: Teacher's ed. --
Publisher: Addison-Wesley Pub. Co.
Published: 1987
Place of publication: Menlo Park, Calif; Don Mills, Ont
Language: eng
Subjects: Gifted children -- Education -- Mathematics.; Mathematics -- Study and teaching (Elementary)
Notes: Vol. 4 accompanied by poster 1 (1 copy), poster 2 (4 copies) and blackline master, in envelope.