Geometry

Online Textbook

Instruction Practice
Chapter 0 - Preparing for Geometry Resources

Section 0.1: Changing Units of Measure Within Systems

Khan Academy: Unit conversion within the metric system

Section 0.2: Changing Units of Measure Between Systems

Conversions Between Systems

Section 0.3: Simple Probability

Khan Academy: Probability explained

Section 0.4: Algebraic Expressions

Writing Algebraic Expressions

Section 0.5: Linear Equations

Khan Academy: Linear Equations

 

Section 0.6: Linear Inequalities

Purple Math: linear inequalities

 

Section 0.7: What is an Ordered Pair?

What is an Ordered Pair?

Section 0.8: Systems of Linear Equations

Purple Math: systems of linear equations

Section 0.9:Square Roots and Simplifying Radicals

How to Simplify Radicals

 

Section 0.1:Practice Problems

Practice Problems

Section 0.2: Changing Units of Measure Between Systems

Metric Units & Converting Between Them

 

Section 0.3: Simple Probability

Examples & Practice

Section 0.4: Algebraic Expressions

Web Math

Section 0.5: Linear Equations

Math Is Fun: linear equations

 

Section 0.6: Linear Inequalities

Math Is Fun: Linear Inequalities

Section 0.7: Ordered Pairs

Math Is Fun: Ordered Pairs 

Section 0.8: Systems of Linear Equations

Practice Problems

Section 0.9: Square Roots and Simplifying Radicals

Examples & Practice

 

Chapter 1 - Tools of Geometry Resources

Section 1.1: Points, Lines, and Planes

ath Antics - Points, Lines, & Planes

Section 1.2: Linear Measure

Units of Conversion: Linear Measure

Section 1.3: Distance and Midpoints

Math Planet: distance & midpoints

Section 1.4: Angle Measure

Khan Academy

Section 1.5: Angle Relationships

Angle Relationships and Parallel Lines

Section 1.6: Two-Dimensional Figures

Classify 2-D figures

 

Section 1.7:Three-Dimensional Figures

3-D figures

 

Section 1.1: Points, Lines, and Planes

Khan Academy

Section 1.2: Linear Measure

Practice with Linear Measure

Section 1.3: Distance and Midpoints

Practice Problems

Section 1.4: Angle Measure

Math Is Fun: practice with angles

Section 1.5: Angle Relationships

Math Is Fun

Section 1.6: Two-Dimensional Figures

2-D shapes

Section 1.7: Three-Dimensional Figures

3 dimensional shapes-lets practice

Chapter 2 - Reasoning and Proof Resources

Section 2.1: Inductive Reasoning and Conjecture

Section 2.2: Logic

Section 2.3: Conditional Statements

Section 2.4: Deductive Reasoning

Section 2.5: Postulates and Paragraph Proofs

Section 2.6: Algebraic Proof

Section 2.7: Proving Segment Relationships

Section 2.8: Proving Angle Relationships

Section 2.1: Inductive Reasoning and Conjecture

Section 2.2: Logic

Section 2.3: Conditional Statements

Section 2.4: Deductive Reasoning

Section 2.5: Postulates and Paragraph Proofs

Section 2.6: Algebraic Proof

Section 2.7: Proving Segment Relationships

Section 2.8: Proving Angle Relationships

Chapter 3 - Parallel and Perpendicular Lines Resources

Section 3.1: Parallel Lines and Transversals

Math Planet; definitions & video

YouTube; Parallel Lines & Transversals

Transversal; definition 

Section 3.2: Angles and Parallel Lines

Art of Problem Solving: Angles and Parallel Lines

Angles formed between transversals and parallel lines

Section 3.3: Slopes of Lines

Parallel and Perpendicular Lines

How to Find the Slope of a Line

Section 3.4: Equations of Lines

Art of Problem Solving: Point-Slope Form

Khan Academy; Equations of parallel and perpendicular lines

Section 3.5: Proving Lines Parallel

Parallel Lines: How to Prove Lines Are Parallel

Section 3.6:Perpendicular and Distance 

Finding the Distance Between Two Points on a Coordinate Plane

The Distance Formula

 

Section 3.1: Parallel Lines and Transversals

Khan Academy; parallel lines & transversals

Parallel Lines and Transversals: Examples (Basic Geometry Concepts)

Section 3.2: Angles and Parallel Lines

Khan Academy; Angles formed by parallel lines and transversals

Parallel Lines, and Pairs of Angles

Section 3.3: Slopes of Lines

Mathopolis; Practice Questions

How To Find The Slope Of A Line: THE EASY WAY!!

WRITING LINEAR EQUATIONS USING THE POINT-SLOPE FORM AND THE STANDARD FORM

Section 3.4: Equations of Lines

WRITING LINEAR EQUATIONS USING THE SLOPE-INTERCEPT FORM

Section 3.5: Proving Lines Parallel

Art of problem solving proving lines and parallel

Equations of parallel and perpendicular lines

Section 3.6: Perpendiculars and Distance

Distance between point and line

Perpendicular Distance from a Point to a Line

Chapter 4 - Congruent Triangles Resources

Section 4.1: Classifying Triangles

How to Classify Triangles - Acute, Obtuse, Right

Classifying Triangles & the Measurement of the Angles

Section 4.2: Angles of Triangles

Khan Academy

Angles of Triangles

Section 4.3: Congruent Triangles

Math Is Fun: congruent triangles

There are five different ways to find triangles are congruent

 

Section 4.4: Proving Triangles Congruent - SSS, SAS

Section 4.5: Proving Triangles Congruent - ASA, AAS

Section 4.6: Isosceles and Equalateral Triangles

Section 4.7: Congruence Transformations

Section 4.8: Triangles and Coordinate Proofs

Section 4.1: Classifying Triangles

Math is Fun

Classifying Triangles Drag and Drop Game

Section 4.2: Angles of Triangles

Math is Fun: triangles

Classify Triangles Lesson

 

Section 4.3: Congruent Triangles

Practice with triangles

Math Zone: Flip Cards

 

Section 4.4: Proving Triangles Congruent - SSS, SAS

Section 4.5: Proving Triangles Congruent - ASA, AAS

Section 4.6: Isosceles and Equalateral Triangles

Section 4.7: Congruence Transformations

Section 4.8: Triangles and Coordinate Proofs

Chapter 5 - Relationships in Triangles Resources

Section 5.1: Bisectors of Triangles

Khan Academy: Angle bisector theorem proof

Section 5.2: Medians and Altitudes of Triangles

Section 5.3: Inequalities in One Triangle

Section 5.4: Indirect Proof

Section 5.5: The Triangle Inequality

Section 5.6: Inequalities in Two Triangles

Section 5.1: Bisectors of Triangles

Section 5.2: Medians and Altitudes of Triangles

Section 5.3: Inequalities in One Triangle

Section 5.4: Indirect Proof

Section 5.5: The Triangle Inequality

Section 5.6: Inequalities in Two Triangles

Chapter 6 - Quadrilaterals Resources

Section 6.1: Angles of Polygons

Sum of interior angles of a polygon

Sum of Interior Angles of a Polygon

 

Section 6.2: Parrallelograms

Section 6.3: Tests of Parrallelograms

Section 6.4: Rectangles

Section 6.5: Rhombi and Squares

Section 6.6: Trapzoids and Kites

Section 6.1: Angles of Polygons

Khan Academy

Math Is Fun

interior and exterior angles of polygons

 

Section 6.2: Parrallelograms

Section 6.3: Tests of Parrallelograms

Section 6.4: Rectangles

Section 6.5: Rhombi and Squares

Section 6.6: Trapzoids and Kites

Chapter 7 - Proportions and Similarities Resources

Section 7.1: Ratios and Proportions

Section 7.2: Similar Polygons

Section 7.3: Similar Triangles

Section 7.4: Parallel Lines and Proportional Parts

Section 7.5: Parts of Similar Triangles

Section 7.6: Similarity Transformations

Section 7.7: Scale Drawing and Models

Section 7.1: Ratios and Proportions

Section 7.2: Similar Polygons

Section 7.3: Similar Triangles

Section 7.4: Parallel Lines and Proportional Parts

Section 7.5: Parts of Similar Triangles

Section 7.6: Similarity Transformations

Section 7.7: Scale Drawing and Models

Chapter 8 - Right Triangles and Trigonometry Resources

Section 8.1: Geometric Mean

Section 8.2: The Pythagorean Theorem and Its Converse

Section 8.3: Special Right Triangles

Section 8.4: Trigonometry

Section 8.5: Angles of Elevation and Depression

Section 8.6: The Law of Sines and Law of Cosines

Section 8.7: Vectors

Section 8.1: Geometric Mean

Section 8.2: The Pythagorean Theorem and Its Converse

Section 8.3: Special Right Triangles

Section 8.4: Trigonometry

Section 8.5: Angles of Elevation and Depression

Section 8.6: The Law of Sines and Law of Cosines

Section 8.7: Vectors

Chapter 9 - Transformation and Symmetry Resources

Section 9.1: Reflections

Section 9.2: Translations

Section 9.3: Rotations

Section 9.4: Compositions of Transformations

Section 9.5: Symmetry

Section 9.6: Dilations

Section 9.1: Reflections

Section 9.2: Translations

Section 9.3: Rotations

Section 9.4: Compositions of Transformations

Section 9.5: Symmetry

Section 9.6: Dilations

Chapter 10 - Circles Resources

Section 10.1: Circles and Circumference

Section 10.2: Measuring Angles and Arcs

Section 10.3: Arcs and Chords

Section 10.4: Inscribed Angles

Section 10.5: Tangents

Section 10.6: Secants, Tangents, and Angle Measurements

Section 10.7: Special Segments in a Circle

Section 10.8: Equations of Circles

Section 10.1: Circles and Circumference

Section 10.2: Measuring Angles and Arcs

Section 10.3: Arcs and Chords

Section 10.4: Inscribed Angles

Section 10.5: Tangents

Section 10.6: Secants, Tangents, and Angle Measurements

Section 10.7: Special Segments in a Circle

Section 10.8: Equations of Circles

Chapter 11 - Areas of Polygons and Circles Resources

Section 11.1: Areas of Parallelograms and Triangles

Section 11.2: Areas of Trapezoids, Rhombi, and Kites

Section 11.3: Areas of Circle and Sectors

Section 11.4: Areas of Regular Polygons and Composite Figures

Section 11.5: Areas of Similar Figures

Section 11.1: Areas of Parallelograms and Triangles

Section 11.2: Areas of Trapezoids, Rhombi, and Kites

Section 11.3: Areas of Circle and Sectors

Section 11.4: Areas of Regular Polygons and Composite Figures

Section 11.5: Areas of Similar Figures

Chapter 12 - Extended Surface Area and Volume Resources

Section 12.1: Representations of Three-Dimensional Figures

Section 12.2: Surface Areas of Prisms and Cylinders

Section 12.3: Surface Areas of Pyramids and Cones

Section 12.4: Volumes of Prisms and Cylinders

Section 12.5: Volumes of Pyramids and Cones

Section 12.6: Surface Areas of Volume and Sphrers

Section 12.7: Spherical Geometry

Section 12.8: Congruent and Similar Solids

Section 12.1: Representations of Three-Dimensional Figures

Section 12.2: Surface Areas of Prisms and Cylinders

Section 12.3: Surface Areas of Pyramids and Cones

Section 12.4: Volumes of Prisms and Cylinders

Section 12.5: Volumes of Pyramids and Cones

Section 12.6: Surface Areas of Volume and Sphrers

Section 12.7: Spherical Geometry

Section 12.8: Congruent and Similar Solids

Chapter 13 - Probability and Measurement Resources

Section 13.1: Representing Sample Spaces

Section 13.2: Probability with Permutations and Combinations

Section 13.3: Geometric Probability

Section 13.4: Simulations

Section 13.5: Probabilities of Independent and Dependent Events

Section 13.6: Probability of Mutually Exclusive Events

Section 13.1: Representing Sample Spaces

Section 13.2: Probability with Permutations and Combinations

Section 13.3: Geometric Probability

Section 13.4: Simulations

Section 13.5: Probabilities of Independent and Dependent Events

Section 13.6: Probability of Mutually Exclusive Events

 

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