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ERIC Number: EJ415629
Record Type: CIJE
Publication Date: 1990
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0305-7259
EISSN: N/A
A Subtraction Inquiry.
Bird, Marion
Mathematics in School, v19 n4 p30-33 Sep 1990
Outlined is the "nine complements" method of subtraction. This activity was used by students to generate proofs that explained why the subtraction method worked. Reasoning and inquiry skills are emphasized. Other examples are offered that have been successful in stimulating inquiry. (KR)
Descriptors: Computation, Elementary School Mathematics, Elementary Secondary Education, Inquiry, Junior High Schools, Learning Activities, Learning Strategies, Mathematical Concepts, Mathematics Education, Proof (Mathematics), Secondary School Mathematics, Subtraction
Publication Type: Journal Articles; Guides - Classroom - Teacher
Education Level: N/A
Audience: Teachers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A