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ERIC Number: EJ1116714
Record Type: Journal
Publication Date: 2016-Oct
Pages: 8
Abstractor: ERIC
ISSN: ISSN-1072-0839
The Locker Problem: An Open and Shut Case
Kimani, Patrick M.; Olanoff, Dana; Masingila, Joanna O.
Mathematics Teaching in the Middle School, v22 n3 p144-151 Oct 2016
This article discusses how teaching via problem solving helps enact the Mathematics Teaching Practices and supports students' learning and development of the Standards for Mathematical Practice. This approach involves selecting and implementing mathematical tasks that serve as vehicles for meeting the learning goals for the lesson. For the lesson discussed in this article, the learning goals are developing students' understanding of number theory concepts (factors; multiples; greatest common factor, or GCF; and least common multiple, or LCM). The authors seek to continue a yearlong goal of developing students' problem-solving skills.
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: Middle Schools; Secondary Education; Junior High Schools
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A