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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? SYLLABUS |
Schedule
|
Tuesday
Sep 5 - Mar 12 |
7:30 - 9:00 PM ET
Sep 5 - Mar 12
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 |
Martha Maria Bernal Guillen |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
CLOSED
With Books $735
|
|
Monday
Sep 18 - Mar 18 |
7:30 - 9:00 PM ET
Sep 18 - Mar 18
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 |
Sarah Seales |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
ENROLL
With Books $735
|
|
Sunday
Oct 15 - Apr 14 |
7:30 - 9:00 PM ET
Oct 15 - Apr 14
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 |
Andrew Sayler |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
ENROLL
With Books $735
|
|
Friday
Nov 3 - May 3 |
7:30 - 9:00 PM ET
Nov 3 - May 3
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 |
Radu Andrei Cebanu |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
ENROLL
With Books $735
|
|
Tuesday
Nov 28 - May 21 |
7:30 - 9:00 PM ET
Nov 28 - May 21
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 |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
ENROLL
With Books $735
|
|
Wednesday
Dec 13 - Jun 5 |
7:30 - 9:00 PM ET
Dec 13 - Jun 5
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 |
$670
(~$28/week)
$735 w/books
|
$670
(~$28/week)
ENROLL
With Books $735
|
AoPS Holidays
There are no classes October 31, November 20‐26, and December 21‐January 3, 2024.
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
|
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.
Related course: Introduction to Geometry |
