Usage Code criteria used in K-12math.info
Series | Code | Information
Student's Textbook Series:
Open Educational Resources (OER) Mathematics:
4 Definition or formal development
3 Term present
2 Synonym used
-( or blank) Term not present
--- Material unavailable
Term usage code:
4 The term is present and is being developed or defined.
3 The term is present but not being developed or defined.
(The term is assumed to be understood; or the term is given with many examples, but no definition or formal development occurs within the lesson.)
2 The term is not present but a synonym is being used.
1 The term is present but not part of the lesson proper; it is part of an enrichment activity.
- ( or blank) The term is not present.
--- Textbook unavailable for reviewing. If you know of a source please contact us. Thanks.
1. Reports on only student's textbooks.
2. Reports on only the lesson proper, except for enrichment lessons in a book.
3. The written word is what is reviewed.
4. Information on synonyms of the 1,000 terms are included.
Note: K-12math.info selects student textbooks and textbook series because they meet the following criteria: 1) a written statement of the concept being taught is given (language skills are important even at a very early age); 2) examples and illustrations are given; and 3) sufficient number of classroom and homework study activities are provided.
©1972 (paper), 1985 (APPLE II/PC), 2005(www), 2018 Jim Kelly - All Rights Reserved.