Geometry Online Course with Instructor, Semester 1

Take it up a notch with our instructor-led homeschool Geometry class. This is the first semester of a two-semester course (second semester sold separately). 

Update: SOLD OUT

What you need to know:

    • The 18-week course starts Sept. 14, 2020, and ends Feb. 5, 2021 (access to course opens on Sept 14). View the calendar for Semester 1 or Semester 2.
    • Enrollment is limited. Live tutoring and office hours: Tues/Thurs at 12pm CST. Independent learning: Approx. 5 hours/week. View the week-by-week lesson plan.
How does the Instructor-Led version of Thinkwell Work? It's as easy as 1 - 2 - 3.
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 prompted. No more tears, no more fighting. Thank you, Thinkwell!”
– Teresa R.
Course Overview

What You Get

  • 18-week, online subscription to our 1st-semester Geometry course
  • Weekly email with course assignments and lesson plans
  • Regular student progress reports
  • Complete, detailed instructional videos
  • Instructor available via virtual office hours
  • Automatically graded assignments 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 the course through our online store
  • Create an account username and password which will give you access to the online Geometry course section on the start date
  • Follow assignments emailed on a weekly basis
  • Your work is automatically tracked and updated in real-time
  • Feel like you need help? Your instructor has virtual office hours
  • Transcripts, grade reports, and certificates of completion are available upon request
About Thinkwell's Geometry Author & Instructor

Thinkwell's Week-by-Week Syllabus for Online Geometry
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Week 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

Week 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

Week 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

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

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

Week 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

Week 6: Assessment

Practice Test – 1.1 & 1.2
Test – 1.1 & 1.2

Week 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

Week 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

Week 9: Assessment

Practice Test – 2.1 & 2.2
Test – 2.1 & 2.2

Week 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

Week 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

Week 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

Week 13: Assessment

Practice Test – 3.1 & 3.2
Test – 3.1 & 3.2

Week 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

Week 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

Week 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

Week 17: Assessment

Practice Test – 4.1 & 4.2
Test – 4.1 & 4.2

Week 18: Semester 1 Final Assessment

Practice Exam – Semester 1
Final Exam – Semester 1
Frequently Asked Questions About Thinkwell's Geometry

How do Thinkwell instructor-led courses work?

You and your student will get a weekly email with an orientation & warm-up video and a lesson plan. Your student watches short, 5-10 minute online video lessons and then completes the automatically graded exercises. Students get instant correct-answer feedback. The live instructor is available by email, and will have weekly virtual office hours.

When does the course start?

The course has a specific start and end date, stated above. You can purchase and register before the start date. Late enrollments are accepted for up to two weeks after the start of the course.

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 Honors Geometry course.

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

Only schools are accredited and Thinkwell is not a school, though many accredited schools use Thinkwell. If you're coordinating studies with a school or organization, please check with them about awarding credit for a Thinkwell course.

Does Thinkwell's Geometry meet state standards?

Thinkwell courses are built to national standards to be inclusive of all states. Some states set standards for what topics should be taught in a particular course. Thinkwell does not have a course version for each state. Websites such as can help you determine your state's standards.

What if my student would like access to the course after it is over?

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

Can I share access with more than one student?

A subscription can only accommodate one student per username and password; additional students need to purchase separate 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 dates of the course are stated above. The course is divided into Semester 1 and Semester 2, each sold separately.

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: 40%, Chapter tests: 40%, Final Exam: 20%

Can I get a transcript or a certificate of completion?

Yes, both a certificate of completion and grade transcript will be provided at the end of each semester. Thinkwell will track and present a number score earned by the student, not a letter grade.

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 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's Geometry is intentionally designed to work for a wide variety of learning styles.

Is there a guarantee?

Yes, we offer a risk-free 14 day money-back guarantee.

How does my school review this course?

Should your school need to review a Thinkwell course for any reason, have the school contact and we can provide them access to a demo site, or provide you with a table of contents.

How do refunds work?

If a student leaves the course within 14 days of the start of the course, a full refund is granted. If a student leaves between 15 days and 40 days after the start of the course, a 50% refund will be granted.  No refunds after 41 days after the start of the course. Students leaving the course must contact the instructor by email.  Students dropping an instructor-led course with no refund may retake the same or a different instructor-led course if offered in the future for only the cost of the $50 registration fee.

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