- Subchapter C
- Mathematical Inquiry
- For Grades: 6-8
- Learning Goal 1
- Mathematicians often represent things with abstract ideas, such as numbers or perfectly straight lines, and then work with those ideas alone. The "things" from which they abstract can be ideas themselves (for example, a proposition about "all equal-sided triangles" or "all odd numbers").

- Learning Goal 1

- For Grades: 6-8

- Mathematical Inquiry