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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
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Monday
Oct 26 - Apr 26 |
7:30 - 9:00
PM ET
Oct 26 - Apr 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 |
Martha Maria Bernal Guillen |
$570
$631 w/books
|
$570
CLOSED
With Books $631
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Wednesday
Nov 11 - May 12 |
7:30 - 9:00
PM ET
Nov 11 - May 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 |
Radu Andrei Cebanu |
$570
$631 w/books
|
$570
ENROLL
With Books $631
1 spot left |
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Thursday
Dec 10 - Jun 3 |
7:30 - 9:00
PM ET
Dec 10 - Jun 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 |
Martha Maria Bernal Guillen |
$570
$631 w/books
|
$570
ENROLL
With Books $631
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Thursday
Dec 10 - Jun 3 |
7:30 - 9:00
PM ET
Dec 10 - Jun 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 |
Homero Renato Gallegos Ruiz |
$570
$631 w/books
|
$570
ENROLL
With Books $631
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Tuesday
Jan 5 - Jun 15 |
7:30 - 9:00
PM ET
Jan 5 - Jun 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 |
Martha Maria Bernal Guillen |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Thursday
Jan 21 - Jul 1 |
7:30 - 9:00
PM ET
Jan 21 - Jul 1
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 |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Sunday
Jan 24 - Jul 18 |
7:30 - 9:00
PM ET
Jan 24 - Jul 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 |
Dan Kneezel |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Friday
Feb 5 - Jul 16 |
7:30 - 9:00
PM ET
Feb 5 - Jul 16
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 |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Monday
Feb 8 - Aug 2 |
7:30 - 9:00
PM ET
Feb 8 - Aug 2
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 |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Wednesday
Feb 24 - Aug 4 |
7:30 - 9:00
PM ET
Feb 24 - Aug 4
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 |
Patrick Barringer |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Thursday
Mar 18 - Aug 26 |
7:30 - 9:00
PM ET
Mar 18 - Aug 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 |
TBA |
$595
$656 w/books
|
$595
ENROLL
With Books $656
|
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Sunday
Apr 4 - Oct 3 |
7:30 - 9:00
PM ET
Apr 4 - Oct 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 |
TBA |
$595
$656 w/books
|
$595
ENROLL
With Books $656
|
|
Monday
Apr 19 - Oct 18 |
7:30 - 9:00
PM ET
Apr 19 - Oct 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 |
Marcus Neal |
$595
$656 w/books
|
$595
ENROLL
With Books $656
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Friday
Apr 30 - Oct 8 |
7:30 - 9:00
PM ET
Apr 30 - Oct 8
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 |
TBA |
$595
$656 w/books
|
$595
ENROLL
With Books $656
|
AoPS Holidays
There are no classes November 23–29, December 21–January 3, May 29–31, July 3–5, and September 4–6.
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.
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