Descriptor
Source
| Mathematics in School | 2 |
Author
| Albany, Eric | 1 |
| McLeay, Heather | 1 |
Publication Type
| Guides - Classroom - Teacher | 1 |
| Journal Articles | 1 |
Education Level
Audience
| Practitioners | 1 |
| Teachers | 1 |
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedAlbany, Eric – Mathematics in School, 1972
A discussion of the various algorithms used for multiplication. Repeated addition, arrays, the distributive law, Egyptian and Russian Peasant Multiplication, Gelosia, Napier's Rods and Genaille's Rods are all described, and examples of multiplying using each method are explained. (DT)
Descriptors: Algorithms, Arithmetic, Elementary School Mathematics, History
Peer reviewedMcLeay, Heather – Mathematics in School, 1991
Described is a way to use knots to relate a three-dimensional object to a two-dimensional representation of the object. The results are used to produce an algorithm or rule to explain a general case. Included are examples, diagrams, procedures, and explanations. (KR)
Descriptors: Algorithms, Instructional Materials, Learning Activities, Manipulative Materials


