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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
Sunday
May 1 - Oct 30 |
7:30 - 9:00 PM ET
May 1 - Oct 30
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 Kinch |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
FULL
With Books $715
|
Wednesday
May 18 - Oct 26 |
4:30 - 6:00 PM ET –
May 18 - Oct 26
4:30 - 6:00 PM Eastern 3:30 - 5:00 PM Central 2:30 - 4:00 PM Mountain 1:30 - 3:00 PM Pacific Click here to see more time zones |
Martha Maria Bernal Guillen |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Thursday
Jun 2 - Nov 10 |
7:30 - 9:00 PM ET
Jun 2 - Nov 10
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 |
Jerry Leung |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Sunday
Jun 12 - Dec 11 |
7:30 - 9:00 PM ET
Jun 12 - Dec 11
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Tuesday
Jun 21 - Dec 6 |
7:30 - 9:00 PM ET
Jun 21 - Dec 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 |
Homero Gallegos |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Friday
Jun 24 - Dec 9 |
7:30 - 9:00 PM ET
Jun 24 - Dec 9
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 |
Jerry Leung |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Wednesday
Jul 13 - Jan 11 |
7:30 - 9:00 PM ET
Jul 13 - Jan 11
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Tuesday
Aug 9 - Feb 7 |
7:30 - 9:00 PM ET
Aug 9 - Feb 7
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 |
Maria Mendes |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Sunday
Aug 21 - Feb 26 |
7:30 - 9:00 PM ET
Aug 21 - Feb 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 |
Dan Kneezel |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Wednesday
Aug 31 - Mar 1 |
7:30 - 9:00 PM ET
Aug 31 - Mar 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 |
Christian Hokaj |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Friday
Sep 9 - Mar 10 |
7:30 - 9:00 PM ET
Sep 9 - Mar 10
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Thursday
Sep 29 - Mar 30 |
7:30 - 9:00 PM ET
Sep 29 - Mar 30
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Monday
Oct 17 - Apr 24 |
7:30 - 9:00 PM ET
Oct 17 - Apr 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 |
TBA |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Friday
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 |
TBA |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Tuesday
Dec 6 - May 30 |
7:30 - 9:00 PM ET
Dec 6 - May 30
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
Sunday
Dec 11 - Jun 11 |
7:30 - 9:00 PM ET
Dec 11 - Jun 11
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 |
$650
(~$28/week)
$715 w/books
|
$650
(~$28/week)
ENROLL
With Books $715
|
AoPS Holidays
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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