Usage Code Criteria (k-12math.info)
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.
Term usage code
4 The term is present and is being defined.
3 The term is present but not being defined.
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.
- The term is not present.
- - Textbook unavailable for reviewing.