1: Tools of Geometry
1.1: Nets and drawings for visualizing Geometry
Surface and Lateral Area of Prisms and Cylinders
Surface and Lateral Area of Pyramids and Cones
1.5: Exploring Angle Pairs
Investigating Angle Theorems - Activity A
1.6: Basic Constructions
Construct Parallel and Perpendicular Lines
Constructing Congruent Segments and Angles
1.8: Perimeter, Circumference and Area
Circle: Circumference and Area
Fido's Flower Bed (Perimeter and Area)
Perimeter, Circumference, and Area - Activity B
Rectangle: Perimeter and Area
2: Reasoning and Proof
2.2: Conditional Statements
Conditional Statement
2.3: Biconditionals and Definitions
Biconditional Statement
3: Parallel and Perpendicular Lines
3.6: Constructing Parallel and Perpendicular Lines
Construct Parallel and Perpendicular Lines
3.7: Equations of Lines in the Coordinate Plane
Point-Slope Form of a Line - Activity A
Slope - Activity B
Slope-Intercept Form of a Line - Activity A
4: Congruent Triangles
4.2: Triangle Congruence by SSS and SAS
Proving Triangles Congruent
4.3: Triangle Congruence by ASA and AAS
Proving Triangles Congruent
4.5: Isosceles and Equilateral Triangles
Isosceles and Equilateral Triangles
4.6: Congruence in Right Triangles
Congruence in Right Triangles
5: Relationships Within Triangles
5.3: Bisectors in Triangles
Bisectors in Triangles
5.4: Medians and Altitudes
Concurrent Lines, Medians, and Altitudes
5.6: Inequalities in One Triangle
Triangle Inequalities
6: Polygons and Quadrilaterals
6.1: The Polygon-Angle Sum Theorems
Polygon Angle Sum - Activity B
Triangle Angle Sum - Activity A
6.3: Proving that a Quadrilateral is a Parallelogram
Parallelogram Conditions
6.4: Properties of Rhombuses, Rectangles, and Squares
Classifying Quadrilaterals - Activity A
Special Quadrilaterals
6.5: Conditions for Rhombuses, Rectangles, and Squares
Classifying Quadrilaterals - Activity A
Special Quadrilaterals
7: Similarity
7.2: Similar Polygons
Similar Polygons
7.4: Similarity in Right Triangles
Sine and Cosine Ratios - Activity B
8: Right Triangles and Trigonometry
8.1: The Pythagorean Theorem and Its Converse
Geoboard: The Pythagorean Theorem
Pythagorean Theorem - Activity B
8.3: Trigonometry
Sine and Cosine Ratios - Activity B
Tangent Ratio
9: Transformations
9.2: Reflections
Reflections
9.3: Rotations
Rotations, Reflections and Translations
9.4: Symmetry
Holiday Snowflake Designer
Quilting Bee (Symmetry)
9.5: Dilations
Dilations
10: Area
10.1: Areas of Parallelograms and Triangles
Area of Parallelograms - Activity B
10.4: Perimeters and Areas of Similar Figures
Perimeters and Areas of Similar Figures
10.8: Geometric Probability
Geometric Probability - Activity A
11: Surface Area and Volume
11.2: Surface Areas of Prisms and Cylinders
Surface and Lateral Area of Prisms and Cylinders
11.3: Surface Areas of Pyramids and Cones
Surface and Lateral Area of Pyramids and Cones
11.4: Volumes of Prisms and Cylinders
Prisms and Cylinders - Activity A
11.5: Volumes of Pyramids and Cones
Pyramids and Cones - Activity A
12: Circles
12.2: Chords and Arc
Chords and Arcs
12.3: Inscribed Angles
Inscribing Angles
12.5: Circles in the Coordinate Plane
Circles