Introduction

An efficient tour through all areas of beyond-curricular math (aligned with MATHCOUNTS and AMC 8). Teaches topics in Algebra, Geometry, Combinatorics, Number Theory, and Probability. Designed to inspire students to love challenging math.

If you haven't yet seen our revolutionary teaching method, visit our home page first, to shatter your expectations of what online math looks like.

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Who Is This Course For?

Are you taking any math class from 6th Grade Math through Algebra, and in the top 10% of your class? Have you never taken any professional math competition classes at levels above Algebra? If you answered Yes to both, then this class is for you. It is the best thing you can do to transform your potential.

Diagnostic Tests:

Will I understand?Will I learn new things?

Course Structure

This course contains 20 LIVE 1-hour video sessions, of which 16 are lessons, and 4 are exam review sessions that discuss the course's 4 practice 1-hour exams (homework). Each class is co-taught by 2 of our Stars. In total, there are over 150 problems.

Each lesson contains several problems which are meant to be unfamiliar to you, so that they inspire you to invent your own solutions. In our LIVE video class format, you propose your ideas, and we brainstorm together with you to construct a variety of alternative solutions using the class's own ideas. This actively involves you in discovering mathematics.

Each practice exam contains 20 problems, of which half are of average difficulty, and the other half are very challenging.

Reviews

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

YH

Very good, I like it very much, it’s the most fun class that I learn

SL

NUUUUUUUUUUUUUUUUUUUUUUUUU I DONT WANT IT TO END. NO, NO, NO. I DON'T WANT TO LEAVE. I WANT TO STAY.

LH

Wow, this math is so beautiful and elegant! This is my favorite class♥️ It is the most awesome and fun math class ever

TW

I find it great! The teachers are amazing! They always explain. Also, they calmly point out mistakes and key points which are crucial in solving the problem.

LC

it was fantastic

PD

I love the lesson

RV

My son was very happy and he told me that he had learnt a lot of new things and new ways of thinking. He got really engaged, although, before starting the course, he would say "I don't want to study during my vacations"... Thank you for your leadership and educational skills during the Module 0 course that my son took during the past 4 weeks.

AD

it’s really a wonderful class

JL

Its easy to follow. I like the videos

KH

My daughter has enjoyed this class very much and is planning to take further classes with “LIVE” in the fall. Both of the instructors are doing an amazing job!

MM

This is complicated but interesting at the same time

WM

This is the coolest prof ever

CZ

Thank you so much for the detailed and insightful feedback you provided for this course. Your thorough analysis and constructive suggestions were incredibly helpful and have given me a clearer understanding of the areas that need improvement.

CC

I think rat chelay is the best

Syllabus

Day 1

Geometry: areas of plane figures; congruent triangles; Pythagorean Theorem

Day 2

Algebra; Geometry; Number Theory: area and volume of 3-D solids; prime numbers; prime factorization; systems of equations; transforming equations; square roots

Day 3

Combinatorics: permutations; exclusion; complementary counting

Day 4

Probability: counting; permutations; symmetry

Day 5

Logic; Algebra; Statistics: equations in one variable; arithmetic series; the substitution method; average; word problems

Day 6

Geometry: volume; similar figures; ratio and proportion; proportional lengths

Day 7

Number Theory: least common multiple; prime numbers; unique factorization

Day 8

Combinatorics: combinations; binomial coefficient identities; the multiplication principle

Day 9

Algebra: rate-time-distance problems; problem-solving using diagrams

Day 10

Geometry: circumference of a circle; irrational numbers; the distributive property; using equations to solve problems

Day 11

Probability: percents with applications; decimals; conditional probability; sets; total probability; equations in one variable

Day 12

Number Theory: word problems; parity; number of factors; prime factorization

Day 13

Geometry: angles of a polygon; sum of angles of a polygon; properties of parallel lines; interior and exterior angles;

Day 14

Algebra: reciprocals; sequences and series; factoring integers; least common denominator

Day 15

Combinatorics: counting; permutations; problem-solving using diagrams; linear recurrence relations; Fibonacci sequences

Day 16

Number Theory: Integers modulo m; square numbers; number sense techniques; variables

Enroll

We have LIVE and self-paced versions of this course. We strongly recommend the LIVE format, as it has been carefully designed to be so engaging that students fall in love with challenge. There has never been anything like it before. All times are listed in your local time zone.

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Tu/Th 1–2am from 11/5

Introduction (Module 0)

view $439
Icon for Introduction
W 1–2am from 11/6

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

Introduction (Module 0)

view $439
Icon for Introduction
Su 12–1am from 11/10

Introduction (Module 0)

view $439

For students who want to learn a subject sooner than a LIVE course matches their schedule, our self-paced version contains all of Prof. Loh's teaching on the subject (without live teaching). This is available on our self-paced course platform, where thousands of students have learned over the past 3 years.