Geometry: Concepts and Skills

This correlation lists the recommended Gizmos for this textbook. Click any Gizmo title below for more information.

1: Basics of Geometry

1.1: Finding and Describing patterns

 Finding Patterns

2: Segments and Angles

2.4: Vertical Angles

 Investigating Angle Theorems - Activity A

2.5: If-Then Statements and Deductive Reasoning

 Conditional Statement

4: Triangle Relationships

4.1: Classifying Triangles

 Classifying Triangles

4.2: Angle Measures of Triangles

 Triangle Angle Sum - Activity B

4.3: Isosceles and Equilateral Triangles

 Isosceles and Equilateral Triangles

4.4: The Pythagorean Theorem and the Distance Formula

 Distance Formula - Activity A
 Geoboard: The Pythagorean Theorem
 Pythagorean Theorem - Activity A

4.5: The Converse of the Pythagorean Theorem

 Pythagorean Theorem - Activity B

4.7: Triangle Inequalities

 Triangle Inequalities

5: Congruent Triangles

5.2: Proving Triangles are Congruent: SSS and SAS

 Proving Triangles Congruent

5.4: Hypotenuse-Leg Congruence Theorem: HL

 Congruence in Right Triangles

5.7: Reflections and Symmetry


6: Quadrilaterals

6.3: Showing Quadrilaterals are Parallelograms

 Parallelogram Conditions

6.4: Rhombuses, Rectangles, and Squares

 Classifying Quadrilaterals - Activity B
 Proving Triangles Congruent

7: Similarity

7.1: Ratio and Proportion

 Beam to Moon (Ratios and Proportions)

7.2: Similar Polygons

 Similar Polygons

7.5: Proportions and Similar Triangles

 Perimeters and Areas of Similar Figures

7.6: Dilations


8: Polygons and Area

8.2: Angles in Polygons

 Polygon Angle Sum - Activity A

8.3: Area of Squares and Rectangles

 Rectangle: Perimeter and Area

8.4: Area of Triangles

 Area of Parallelograms - Activity B

8.5: Area of Parallelograms

 Area of Parallelograms - Activity A

8.7: Circumference and Area of Circle

 Circle: Circumference and Area

9: Surface Area and Volume

9.2: Surface Area of Prisms and Cylinders

 Surface and Lateral Area of Prisms and Cylinders

9.3: Surface Area of Pyramids and Cones

 Surface and Lateral Area of Pyramids and Cones

9.4: Volume of Prisms and Cylinders

 Prisms and Cylinders - Activity B

9.5: Volume of Pyramids and Cones

 Pyramids and Cones - Activity B

10: Right Triangles and Trigonometry

10.1: Simplifying Square Roots

 Simplifying Radicals - Activity B

10.4: Tangent Ratio

 Tangent Ratio

10.5: Sine and Cosine Ratios

 Sine and Cosine Ratios - Activity B

11: Circles

11.5: Inscribed Angles and Polygons

 Inscribing Angles

11.6: Properties of Chords

 Chords and Arcs

11.7: Equations of Circles


Content correlation last revised: 9/10/2009