1. 
Beginning Terminology, Points, Lines, and Planes

2. 
Segments, Rays, Angles

3. 
Introduction to Polygons

4. 
Interior and Exterior Angles in Polygons

5. 
Quadrilaterals

6. 
‘If ... Then ...’ Sentences

7. 
Contrapositive and Converse

8. 
Proof Techniques

9. 
Logical Equivalences and Practice with Truth Tables

10. 
Applying Logical Equivalences to Algebraic and Geometric Statements

11. 
Constructions

12. 
Introduction to the TwoColumn Proof

13. 
The Pythagorean Theorem

14. 
More Terminology for Segments and Angles

15. 
Angles: Complementary, Supplementary, Vertical, and Linear Pairs

16. 
Equivalence Relations

17. 
Triangle Congruence

18. 
Relationships between Angles and Sides in Triangles

19. 
Practice with TwoColumn Proofs

20. 
Is there an ‘SSA’ Congruence Theorem? No!

21. 
More on Exterior Angles in Triangles

22. 
Parallel Lines

23. 
Parallelograms and Negating Sentences

24. 
Introduction to Area and Perimeter

25. 
Area Formulas: Triangle, Parallelogram, Trapezoid

26. 
Similarity, Ratios, and Proportions

27. 
Perimeters and Areas of Similar Polygons

28. 
Two Special Triangles
