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ERIC Number: EJ1179023
Record Type: Journal
Publication Date: 2018-May
Pages: 8
Abstractor: ERIC
ISSN: ISSN-0025-5769
A Proof Progression for Geometry
Nirode, Wayne
Mathematics Teacher, v111 n7 p513-519 May 2018
Twenty years ago when the author was student teaching, he quickly learned what geometry teachers and researchers (e.g., Senk 1985) have long known: High school geometry students struggle with proof. Throughout his career, he has tried to create instructional materials to make proof more accessible to his students. From field-testing materials with his students and revising them, he has developed a proof progression that allows for differentiating instruction as well as ample time for students to develop their reasoning skills. Although he still has a few students who struggle with proof, those numbers have greatly decreased after using the progression.
National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191. Tel: 800-235-7566; Tel: 703-620-9840; Fax: 703-476-2570; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Secondary Education
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A