textbook

1. math in elementary school

2. technology

3. geometry

3.1. prove

3.1.1. types of reasoning

3.2. diagrams

3.3. tasks

3.3.1. Context

3.3.2. cognitive demand

3.4. other content blocks

3.4.1. geometry functions

3.4.2. visual culture

4. choice of textbook

4.1. student

4.2. teacher

4.3. Program (PNLD)

5. external assessments

5.1. math literacy

5.2. government tests: SAEB

6. comparison

6.1. Diferent textbooks

6.2. content approach

7. future researchers

7.1. history

7.1.1. Author

7.1.2. Content

7.2. public policy

7.3. Gender, ethnicity, equity, culture

7.4. Etc.