Peer reviewed
Direct linkERIC Number: EJ1376778
Record Type: Journal
Publication Date: 2023-Feb
Pages: 9
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0025-5769
EISSN: EISSN-2330-0582
Subtraction, Decomposition, and Argumentation
Rumsey, Chepina; Guarino, Jody; Sperling, Michelle
Mathematics Teacher: Learning and Teaching PK-12, v116 n2 p90-98 Feb 2023
We describe how mathematical argumentation supports curiosity and exploration by sharing a first-grade lesson in which students explored decomposition with subtraction. We also reflect on the conditions that supported the inclusion of mathematical argumentation.
Descriptors: Subtraction, Mathematics Education, Persuasive Discourse, Elementary School Students, Grade 1, Class Activities
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: publicationsdept@nctm.org; Web site: https://pubs.nctm.org/
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Elementary Education; Early Childhood Education; Grade 1; Primary Education
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
