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Introduction to GeometryFundamentals of geometry, including angles, triangle similarity and congruence, complicated area problems, mastering the triangle, special quadrilaterals, polygons, the art of angle chasing, power of a point, 3-dimensional geometry, transformations, analytic geometry, basic trigonometry, geometric proof, and more. |
24 weeks |
| 24 weeks ARE YOU READY? DO YOU NEED THIS? |
Schedule
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Friday
Sep 13 - Mar 13 |
7:30 - 9:00
PM ET
Sep 13 - Mar 13
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Wendy Hou |
$545
$606 w/books
|
$545
ENROLL
With Books $606
5 spots left |
|
Sunday
Sep 15 - Mar 15 |
7:30 - 9:00
PM ET
Sep 15 - Mar 15
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Christian Hokaj |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
|
Tuesday
Sep 24 - Mar 24 |
7:30 - 9:00
PM ET
Sep 24 - Mar 24
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Achilleas Sinefakopoulos |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
|
Monday
Oct 7 - Apr 6 |
7:30 - 9:00
PM ET
Oct 7 - Apr 6
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Jeffrey Hankins |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
|
Wednesday
Nov 13 - May 13 |
7:30 - 9:00
PM ET
Nov 13 - May 13
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Samer Seraj |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
|
Tuesday
Dec 3 - May 26 |
7:30 - 9:00
PM ET
Dec 3 - May 26
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Jon Joseph |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
|
Thursday
Dec 5 - May 28 |
7:30 - 9:00
PM ET
Dec 5 - May 28
7:30 - 9:00 PM Eastern 6:30 - 8:00 PM Central 5:30 - 7:00 PM Mountain 4:30 - 6:00 PM Pacific Click here to see more time zones |
Xinke Guo-Xue |
$545
$606 w/books
|
$545
ENROLL
With Books $606
|
| Spring 2020 | This course will be offered in Spring 2020. Click here to join our mailing list to be notified when the course schedule is available. | |||
AoPS Holidays
There are no classes November 25–December 1, or December 21–January 3.
Who Should Take?
This is the most challenging of our Introduction series of classes. We recommend that students complete our Introduction to Algebra B course, or are able to pass the Introduction to Algebra B post-test, prior to taking Introduction to Geometry.Lessons
| Lesson 1 | Angles |
| Lesson 2 | Triangle Angles and Congruent Triangles |
| Lesson 3 | Isosceles & Equilateral Triangles, Perimeter, and Area |
| Lesson 4 | Similar Triangles |
| Lesson 5 | Similar Triangles and Right Triangles |
| Lesson 6 | More Right Triangles! |
| Lesson 7 | Special Parts of a Triangle |
| Lesson 8 | Special Parts of a Triangle, Continued! |
| Lesson 9 | Quadrilaterals |
| Lesson 10 | More Quadrilaterals |
| Lesson 11 | Polygons |
| Lesson 12 | Geometric Inequalities |
| Lesson 13 | Introduction to Circles |
| Lesson 14 | Circles and Angles |
| Lesson 15 | Tangents |
| Lesson 16 | Power of a Point |
| Lesson 17 | 3D Geometry Part 1 |
| Lesson 18 | 3D Geometry Part 2 |
| Lesson 19 | Transformations |
| Lesson 20 | Analytic Geometry |
| Lesson 21 | More Analytic Geometry |
| Lesson 22 | Basic Trigonometry |
| Lesson 23 | Problems! |
| Lesson 24 | More Problems! |
Required Textbook
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Introduction to Geometry
A full course in challenging geometry for students in grades 7-10, including topics such as similar
triangles, congruent triangles, quadrilaterals, polygons, circles, funky
areas, power of a point, three-dimensional geometry, transformations, introductory trigonometry, and
more.
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