1: Reasoning in Geometry

1.4: Conditional statements and Their Converses

Biconditional Statement
Conditional Statement

1.5: Tools of the Trade

Construct Parallel and Perpendicular Lines
Constructing Congruent Segments and Angles

2: Segment Measure and Coordinate Graphing

2.1: Real Numbers and Number Lines

Real Number Line - Activity A

2.4: The Coordinate Plane

Points in the Coordinate Plane - Activity A

3: Angles

3.4: Adjacent Angles and Linear Pairs of Angles

Investigating Angle Theorems - Activity A
Investigating Angle Theorems - Activity B

3.5: Complementary and Supplementary Angles

Investigating Angle Theorems - Activity A
Investigating Angle Theorems - Activity B

4: Parallels

4.5: Slope

Slope - Activity B

4.6: Equations of Lines

Point-Slope Form of a Line - Activity A
Slope-Intercept Form of a Line - Activity C
Standard Form of a Line

5: Triangles and Congruence

5.1: Classifying Triangles

Classifying Triangles

5.2: Angles of a Triangle

Triangle Angle Sum - Activity A

5.3: Geometry in Motion

Reflections
Rock Art (Transformations)
Rotations, Reflections and Translations
Translations

5.5: SSS and SAS

Proving Triangles Congruent

5.6: ASA and AAS

Proving Triangles Congruent

6: More About Triangles

6.1: Medians

Concurrent Lines, Medians, and Altitudes

6.2: Altitues and Perpendicular Bisectors

Concurrent Lines, Medians, and Altitudes

6.3: Angle Bisectors of Triangles

Concurrent Lines, Medians, and Altitudes

6.4: Isosceles Triangles

Isosceles and Equilateral Triangles

6.6: The Pythagorean Theorem

Geoboard: The Pythagorean Theorem

6.7: Distance on the Coordinate Plane

Distance Formula - Activity A

7: Triangle Inequalities

7.3: Inequalities Within a Triangle

Triangle Inequalities

8: Quadrilaterals

8.1: Quadrilaterals

Classifying Quadrilaterals - Activity A

8.3: Tests for Parallelograms

Parallelogram Conditions

8.4: Rectangles, Rhombi, and Squares

Special Quadrilaterals

9: Proportions and Similarity

9.1: Using Ratios and Proportions

Beam to Moon (Ratios and Proportions)
Estimating Population Size

9.2: Similar Polygons

Similar Polygons

9.6: Proportional Parts and Triangles

Similarity in Right Triangles

9.9: Perimeters and Similarity

Perimeters and Areas of Similar Figures

10: Polygons and Area

10.4: Areas of Triangles and Trapezoids

Area of Parallelograms - Activity A

10.6: Symmetry

Holiday Snowflake Designer
Quilting Bee (Symmetry)

11: Circles

11.2: Arcs and Central Angles

Inscribing Angles

11.3: Arcs and Chords

Bisectors in Triangles

11.5: Circumference of a Circle

Circle: Circumference and Area

11.6: Area of a Circle

Circle: Circumference and Area

12: Surface Area and Volume

12.2: Surface Areas of Prisms and Cylinders

Surface and Lateral Area of Prisms and Cylinders

12.3: Volumes of Prisms and Cylinders

Prisms and Cylinders - Activity A

12.4: Surface Areas of Pyramids and Cones

Surface and Lateral Area of Pyramids and Cones

12.5: Volumes of Pyramids and Cones

Pyramids and Cones - Activity A

13: Right triangles and Trigonometry

13.1: Simplifying Square Roots

Simplifying Radicals - Activity B

13.4: Tangent Ratio

Tangent Ratio

13.5: Sine and Cosine Ratios

Sine and Cosine Ratios - Activity A

14: Circle Relationships

14.1: Inscribed Angles

Inscribing Angles

14.6: Equations of Circles

Circle: Circumference and Area

16: More Coordinate Graphing and Transformations

16.1: Solving Systems of Equations by Graphing

Solving Linear Systems by Graphing

16.2: Solving Systems of Equations by Using Algebra

Systems of Linear Equations - Activity A

16.3: Translations

Translations

16.4: Reflections

Reflections

16.5: Rotations

Rotations, Reflections and Translations

16.6: Dilations

Dilations