Geometry Online Course

$125.00 

This course includes:
20+ hours of on-demand video Exams, quizzes, & 1000s of exercises
Downloadable notes & worksheets 12 months unlimited access
Access on mobile Certificate of completion & grade report
Optional course additions (check box to select):
Live office hours/ tutoring support $34.95 a month View details
Printed notes $30.00 View details
Printed quizzes and answer keys $25.00 View details
Printed worksheets $49.50 View details

Thinkwell's Geometry with Professor Edward Burger

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Start anywhere, go as fast as you like.
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Thinkwell's Geometry online course contains all of the homeschool instruction you need, without the need for a textbook.

This complete online Geometry course is fun and easy to use, because of the engaging and effective videos. After watching a geometry video lesson, you can review and practice with automatically graded exercises that give you instant feedback.

Students looking for a bit more challenge should also check out Honors Geometry.  Here is a comparison of Geometry to Honors Geometry.  You can read reviews of our math courses here.

Course Features

Video Lessons

244 Engaging 5–7 minute Geometry lesson videos
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Lesson Plan

Detailed, 36-week lesson plan and schedule
View Lesson Plan

Assessments

Automatically graded quizzes and tests
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Notes & Worksheets

Illustrated course notes, worksheets & answer keys
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What Parents Are Saying...
"I love Thinkwell math! My son and I think Professor Burger is awesome. We tried a few different math programs but nothing compares to Thinkwell. The concepts are presented in a way that makes them so much easier to understand. I go through the lectures and problems with my son most of the time and I am finally learning Geometry (my nemesis in high school and college). Professor Burger uses humor which makes it even better. We will definitely continue to use Thinkwell. I am so grateful to have found it!"
– Tina C
"We are using Thinkwell's Geometry, and we love it. The lectures are fun and well organized. The notes for each lesson are easy to follow and provide all the info needed to complete the problems. My son is excelling with this program, and I find it very easy to jump in and help him when needed!”
– Virginia
"We didn't start homeschooling until last year, my daughter's freshman year. I used a different math program that had come highly recommended and it was like pulling teeth to get my daughter to do her work. She said it was too confusing. This year we started with Thinkwell's Geometry and my daughter loves it. She can't believe how much better it is to understand. Now her math is done every day without being promoted. No more tears, no more fighting. Thank you, Thinkwell!”
– Teresa R.
Course Overview

What You Get

  • 12-month, online subscription to our complete Geometry course
  • 36-week, day-by-day course lesson plan
  • 80+ course lessons with 240+ streaming videos
  • Automatically graded drill-and-practice exercises with step-by-step answer feedback
  • Downloadable, printable course worksheets & answer keys
  • Illustrated course study notes
  • Automatically graded section quizzes
  • Chapter & Practice tests, a Midterm & Final Exam
  • Animated interactivities....and more!

How It Works

  • Purchase Thinkwell's Geometry through our online store
  • Create an account username and password which will give you access to the online Geometry course section
  • Activate your 12-month subscription when you're ready
  • Login to the course website to access the online course materials, including streaming video lessons, exercises, quizzes, tests and more
  • Access your course anytime, anywhere, from any device
  • Your work is automatically tracked and updated in real-time
  • Grade reports and certificates of completion are available at request
About Thinkwell's Geometry Author

Learn from award-winning mathematician Dr. Edward Burger

It's like having a world-class college professor right by your side.

  • "Global Hero in Education" by Microsoft Corporation
  • "America's Best Math Teacher" by Reader's Digest
  • Robert Foster Cherry Award Winner for Great Teaching
Thinkwell's Week-by-Week Syllabus for Online Geometry
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1: Algebra Review – Part I

AR.1 Solving Equations and Inequalities
AR.1.1 Simplifying Expressions
AR.1.2 Writing and Solving Two-Step Equations
AR.1.3 Solving Two-Step Inequalities
AR.1.4 Writing and Solving Multi-Step Equations
AR.1.5 Solving Equations with Variables on Both Sides
AR.1.6 Systems of Equations
AR.2 Graphing and the Coordinate Plane
AR.2.1 The Coordinate Plane
AR.2.2 Equations, Tables, and Graphs
AR.2.3 Graphing Using Intercepts
AR.3 Ratio and Proportion
AR.3.1 Rates, Ratios, and Proportions
AR.3.2 Applications of Proportions
AR.3.3 Finding and Using Percents

2: Algebra Review – Part II

AR.4 Operations with Polynomials and Factoring
AR.4.1 Adding and Subtracting Polynomials
AR.4.2 Multiplying and Dividing Monomials
AR.4.3 Multiplying Monomials by Polynomials
AR.4.4 Multiplying Binomials
AR.4.5 Factoring with the GCF
AR.4.6 Factoring x2 + bx + c
AR.4.7 Factoring ax2 + bx + c
AR.5 Radicals and Solving Quadratics
AR.5.1 Radical Expressions
AR.5.2 Solving Quadratic Equations by Factoring
AR.5.3 Solving Quadratic Equations by Using Square Roots

3: Points, Lines, Planes, and Angles

1.1 Points, Lines, Planes, and Angles
1.1.1 Understanding Points, Lines, and Planes
1.1.2 Measuring and Constructing Segments
1.1.3 Measuring and Constructing Angles

4: Points, Lines, Planes, and Angles (continued)

1.1 Points, Lines, Planes, and Angles
1.1.4 Pairs of Angles
Quiz – 1.1

5: Coordinate and Transformation Tools

1.2 Coordinate and Transformation Tools
1.2.1 Using Formulas in Geometry
1.2.2 Midpoint and Distance in the Coordinate Plane
1.2.3 Transformations in the Coordinate Plane
Quiz – 1.2

6: Assessment

Practice Test – 1.1 & 1.2
Test – 1.1 & 1.2

7: Inductive and Deductive Reasoning

2.1 Inductive and Deductive Reasoning
2.1.1 Using Inductive Reasoning to Make Conjectures
2.1.2 Conditional Statements
2.1.3 Using Deductive Reasoning to Verify Conjectures
2.1.4 Biconditional Statements and Definitions
Quiz – 2.1

8: Mathematical Proof

2.2 Mathematical Proof
2.2.1 Algebraic Proof
2.2.2 Geometric Proof
2.2.3 Flowchart and Paragraph Proofs
Quiz – 2.2

9: Assessment

Practice Test – 2.1 & 2.2
Test – 2.1 & 2.2

10: Lines with Transversals

3.1 Lines with Transversals
3.1.1 Planes, Lines, and Angles
3.1.2 Angles, Parallel Lines, and Transversals
3.1.3 Proving that Lines are Parallel
3.1.4 Properties of Perpendicular Lines
Quiz – 3.1

11: Slope and the Equation of a Line

3.2 Slope and the Equation of a Line
3.2.1 Finding the Slope Given Two Points
3.2.2 Slope-Intercept Form
3.2.3 Point-Slope Form

12: Slope and the Equation of a Line (continued)

3.2 Slope and the Equation of a Line
3.2.4 Slopes of Parallel and Perpendicular Lines
Quiz – 3.2

13: Assessment

Practice Test – 3.1 & 3.2
Test – 3.1 & 3.2

14: Triangles and Congruence

4.1 Triangles and Congruence
4.1.1 Classifying Triangles
4.1.2 Angle Relationships in Triangles
4.1.3 Congruent Triangles
Quiz – 4.1

15: Proving Triangle Congruence

4.2 Proving Triangle Congruence
4.2.1 Triangle Congruence: SSS and SAS
4.2.2 Triangle Congruence: ASA, AAS, and HL
4.2.3 Triangle Congruence: CPCTC

16: Proving Triangle Congruence (continued)

4.2 Proving Triangle Congruence
4.2.4 Introduction to Coordinate Proof
4.2.5 Isosceles and Equilateral Triangles
Quiz – 4.2

17: Assessment

Practice Test – 4.1 & 4.2
Test – 4.1 & 4.2

18: Midterm Assessment

Practice Midterm Exam
Midterm Exam

19: Segments in Triangles

5.1 Segments in Triangles
5.1.1 Perpendicular and Angle Bisector Theorems
5.1.2 Medians, Altitudes, and Midsegments in Triangles
5.1 Review Worksheet
Quiz – 5.1

20: Relationships in Triangles

5.2 Relationships in Triangles
5.2.1 Indirect Proof and Inequalities in One Triangle
5.2.2 Inequalities in Two Triangles

21: Relationships in Triangles (Continued)

5.2 Relationships in Triangles (continued)
5.2.3 The Pythagorean Theorem
5.2.4 Applying Special Right Triangles
5.2 Review Worksheet
Quiz – 5.2

22: Assessment

Practice Test – 5.1 & 5.2
Test – 5.1 & 5.2

23: Polygons and Parallelograms

6.1 Polygons and Parallelograms
6.1.1 Properties and Attributes of Polygons
6.1.2 Properties of Parallelograms
6.1.3 Conditions for Parallelograms
6.1 Review Worksheet
Quiz – 6.1

24: Other Special Quadrilaterals

6.2 Other Special Quadrilaterals
6.2.1 Properties of Special Parallelograms
6.2.2 Conditions for Special Parallelograms
6.2.3 Properties of Kites and Trapezoids
6.2 Review Worksheet
Quiz – 6.2

25: Assessment

Practice Test – 6.1 & 6.2
Test – 6.1 & 6.2

26: Similarity Relationships

7.1 Similarity Relationships
7.1.1 Ratio and Proportion
7.1.2 Ratios in Similar Polygons
7.1.3 Triangle Similarity: AA, SSS, and SAS
7.1 Review Worksheet
Quiz – 7.1

27: Trigonometric Ratios

8.1 Trigonometric Ratios
8.1.1 Similarity in Right Triangles
8.1.2 Trigonometric Ratios
8.1.3 Solving Right Triangles
8.1 Review Worksheet
Quiz – 8.1

28: Assessment

Practice Test – 7.1 & 8.1
Test – 7.1 & 8.1

29: Developing Geometric Formulas

9.1 Developing Geometric Formulas
9.1.1 Developing Formulas for Triangles and Quadrilaterals
9.1.2 Developing Formulas for Circles and Regular Polygons
9.1 Review Worksheet
Quiz – 9.1

30: Surface Area and Volume

10.1 Surface Area and Volume
10.1.1 Surface Area of Prisms and Cylinders
10.1.2 Surface Area of Pyramids and Cones
10.1.3 Volume of Prisms and Cylinders
10.1 Review Worksheet
Quiz – 10.1

31: Assessment

Practice Test – 9.1 & 10.1
Test – 9.1 & 10.1

32: Lines and Arcs in Circles

11.1 Lines and Arcs in Circles
11.1.1 Lines That Intersect Circles
11.1.2 Arcs and Chords
11.1 Review Worksheet
Quiz – 11.1

33: Angles and Segments in Circles

11.2 Angles and Segments in Circles
11.2.1 Inscribed Angles
11.2.2 Angle Relationships in Circles
11.2.3 Segment Relationships in Circles
11.2 Review Worksheet
Quiz – 11.2

34: Congruence Transformations

12.1 Congruence Transformations
12.1.1 Reflections
12.1.2 Translations
12.1.3 Rotations
12.1 Review Worksheet
Quiz – 12.1

35: Assessment

Practice Test – 11.1, 11.2 & 12.1
Test – 11.1, 11.2 & 12.1

36: Final Assessment

Practice Final Exam
Final Exam
Frequently Asked Questions About Thinkwell's Geometry

How do Thinkwell courses work?

Your student watches a 5-10 minute online video lesson and then completes the automatically graded exercises for the topic. You'll get instant correct-answer feedback. Then move on to the next lesson! The courses are self-paced, or you can use the daily lesson plans. Just like a textbook, you can choose where to start and end, or follow the standard table of contents.

When does my 12-month online subscription start?

It starts when you're ready. You can have instant access to your online subscription when you purchase online, or you can purchase now and start later.

What math courses should a student take?

A typical sequence of secondary math courses completed by a college-bound student is: Grade 6 Math > Grade 7 Math > Grade 8 Math > Algebra 1 > Geometry > Algebra 2 > Precalculus. For students looking to include Calculus as part of their high school curriculum and are able to complete Grade 7 Math in 6th grade, the sequence can be: Grade 7 Math > Prealgebra > Algebra 1 > Geometry > Algebra 2 > Precalculus > Calculus.

Is Thinkwell’s Geometry appropriate for my accelerated student?

For advanced students, check out our Geometry Honors course.

Does my student get school credit for Thinkwell’s Geometry?

No, only schools are accredited and Thinkwell is not a school, though many accredited schools use Thinkwell.

Does Thinkwell's Geometry meet state standards?

Some state sets standards for what topics should be taught in a particular course. Thinkwell does not have a course version for each state. Instead, the course is built to national standards to be inclusive of all states. View the content, standards, and objectives for our Geometry course HERE. Websites such as www.achieve.org can help you determine your state's standards.

What if my student needs access to the course for more than 12 months?

You can purchase extra time in one-month, three-month, and six-month increments.

Can I share access with more than one student?

The courses are designed and licensed to accommodate one student per username and password; additional students need to purchase online access. This allows parents to keep track of each student's progress and grades.

How long does it take to complete Thinkwell’s Geometry course?

The pace of your course is up to you, but most students will schedule one school year.

Can I see my grade?

Thinkwell’s course software tracks everything your student does. When logged in, your student can click "My Grades" to see their progress.

How are grades calculated?

The course grade is calculated this way: Quizzes: 30%, Chapter tests: 30%, Midterm: 20%, and Final: 20%.

What is acceptable performance on the exams?

As a home-school parent, you decide the level of performance you want your student to achieve; the course does not limit access to topics based on performance on prior topics.

Can I get a transcript?

Yes, there's a final grade report print option in the My Grades section. Contact techsupport@thinkwell.com with any questions.

What if I change my mind and want to do a different math course, can I change?

If you discover that you should be in a different course, contact techsupport@thinkwell.com within one week of purchase and we will move you to the appropriate course.

Can I print the exercises?

Yes, but completing the exercises online provides immediate correct answer feedback and automatic scoring, so we recommend answering the exercises online.

Are exercises multiple choice?

Most of the exercises are multiple choice and they are graded automatically with correct answer solutions.

Is Thinkwell's Geometry built on "continuous review?"

Thinkwell's Geometry is carefully constructed to build on previous knowledge, reinforcing key concepts every step of the way. It is not only a reflection of empirically effective instruction, but also reflects Dr Burger’s philosophies learned over a career of teaching mathematics, emphasizing a solid foundation that addresses why students need to learn certain concepts. Finally, Thinkwell Geometry is intentionally designed to work for a wide variety of learning styles.

What is Thinkwell's Refund Policy?

We offer a full refund of 12-month subscription purchases within 14 days of purchase, no questions asked. For Essential Review courses, the refund period is 3 days. Optional printed materials are printed on demand and the sales are final.

How does my school review this course?

Should your school need to review a Thinkwell course for any reason, have the school contact techsupport@thinkwell.com and we can provide them access to a demo site.

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