MATHCOUNTS LEVEL I (textbook： 50 Mathcounts Lectures)
如果MATHCOUNTS CHAPTER 或SCHOOL ROUND SPRINT 的题可以做对7-13 题，就可以参加了。
内容：
1. 9/8/2018 Operations with Fractions, Decimals, Percents
2. 9/15/2018 Ratios and Proportions
3. 9/22/2018 Logic Reasoning
4. 9/29/2018 Counting Principles
5. 10/06/2018 Exponents
6. 10/13/2018 Radicals
7. 10/20/2018 Absolute Values
8. 10/27/2018 Divisibility
9. 11/03/2018 Solving Equations
10. 11/10/2018 Systems of Equations
11. 11/17/2018 Solving Inequalities
12. 11/24/2018 Venn Diagrams
13. 12/01/2018 Combinatorics
14. 12/08/2018 Angles and Triangles
15. 12/15/2018 Lines And Equations (YouTube only)
16. 12/22/2018 Coordinate systems (YouTube only. Happy Holiday!)
17. 12/29/2018 Polygons (YouTube only. Happy Holiday!)
18. 01/05/2019 Similar Triangles
19. 01/12/2019 Congruence
20. 01/19/2019 Pythagorean Theorem
21. 01/26/2019 Circles
22. 02/02/2019 Factors
23. 02/09/2019 Prime Numbers
24. 02/16/2019 Remainders
25. 02/23/2019 Volume
26. 03/02/2019 Angle Bisectors and Medians
27. 03/09/2019 Area Method
MATHCOUNTS LEVEL II (textbook： Mathcounts State Competition Preparation)
学完MATHCOUNTS LEVEL I 就可以学 MATHCOUNTS LEVEL II 了。有了基础的学生，也可以同时学两门课。
内容：
September 9, 2018 1 All about number bases
September 16, 2018 2. Counting – Row permutations
September 23, 2018 3 Last digits and remainders
September 30, 2018 4 Counting- Combinations
October 7, 2018 5 Number separations
October 14, 2018 6 Counting – Balls and boxes
October 21, 2018 7 Denesting Radicals
October 28, 2018 8 Number of Ways to Walk
November 4, 2018 9 Triangle Inequality Theorem
November 11, 2018 10 Geometry – Similar Triangles
November 18, 2018 11 Geometry - Circles
November 25, 2018 12 Newton’s Little Formula
December 2, 2018 13 Volumes
December 9, 2018 14 Consecutive Integers
December 16, 2018 15 Venn Diagrams (YouTube Video only)
December 23, 2018 (No class. Happy Holiday!)
December 30, 2018 (No class. Happy Holiday!)
January 6, 2019 16 Pythagorean Theorem
January 13, 2019 17 Vieta’s Theorem
January 20, 2019 18 Diophantine Equations
January 27, 2019 19 Factoring Methods
February 3, 2019 20 Dice Problems
February 10, 2019 21 Coordinate Systems
February 17, 2019 22 Area and Area Method
February 24, 2019 23 Digits Problems
March 3, 2019 24 Probability
March 10, 2019 25 Solving paper folding problems
March 17, 2019 26 Solving shortest distance problems
March 24, 2019 27 Circular permutations with repetition
AMC 10 LEVEL I (TEXTBOOK: AMC10 PREPARATION):
给六七八年级的学生冲击AIME的。对考MATHCOUNTS州赛也有帮助，可以和MATHCOUNTS LEVEL II 同时学。
内容：
9/8/2018 1. Logic Reasoning
9/15/2018 2. Algebraic Simplification
9/22/2018 3. Equations Solving Skills
9/29/2018 4. Ratios and Proportions
10/6/2018 5. Factoring Methods
10/13/2018 6. Pythagorean Theorem
10/20/2018 7. Triangle Area and Area Method
10/27/2018 8. Character of Digits
11/3/2018 9. Exponents
11/10/2018 10. Word Problem – Distance and Speed
11/17/2018 11. Divisibility
11/24/2018 12. Similar Triangles
12/1/2018 13. Prime Numbers
12/8/2018 14. Quadratic Equations
12/15/2018 15. Arithmetic and Geometric Sequences (YouTube only)
12/ 22/2018 16. Circle – Radius, Circumference, and Areas (YouTube only. Happy Holiday!)
12/29/2018 17. Coordinate Geometry – Lines and Circles (YouTube only. Happy Holiday!)
1/5/2019 18. Sum and Products of Roots
1/12/2019 19. Counting by Permutation and Combination
1/19/2019 20. Geometry – Solving System of Equations
1/26/2019 21. Counting – Balls and Boxes
2/2/2019 22. Geometry – Angle Bisector and Median
2/9/2019 23. Factors and Divisors
AMC 10 LEVEL II (TEXTBOOK: 50 AMC LECTURES):
给学过给AMC 10 LEVEL I 的学生， 给八九十年级的学生的。比较难，知识内容是十年级及以下的，但用的题都是AMC12/AIME/USAMO 水平的。考AMC12 的学生也合适，但不讲对数，复数，三角函数，多项式解析几何的内容。最好在学过MATHCOUNTS LEVEL II 或 AMC 10 LEVEL I 之后学。
内容：
September 9, 2018 1 Algebra Manipulations
September 16, 2018 2. Completing the square
September 23, 2018 3 Radicals
September 30, 2018 4 Geometry Congruent Triangles
October 7, 2018 5 Absolute Values
October 17, 2018 6 Geometry Similar Triangles
October 21, 2018 7 Vieta Theorem and Applications
October 28, 2018 8 Divisibility
November 4, 2018 9 Geometry Area and Area Method
November 11, 2018 10 Geometry Eight Methods To Draw Auxiliary Lines
November 18, 2018 11 Trigonometry Six Functions
November 25, 2018 12 Cubic Identities
December 2, 2018 13 Arithmetic Sequence
December 9, 2018 14 Geometry Eight More Methods To Draw Auxiliary Lines
December 16, 2018 15 Diophantine Equations
December 23, 2018 16. How to Use the Discriminant (YouTube Video only. Happy Holiday!)
December 30, 2018 17. Cauchy Inequality (YouTube Video only. Happy Holiday!)
January 6, 2019 18 Non-negative Numbers (YouTube Video only)
January 13, 2019 19 Geometry Angle Bisector And Median
January 20, 2019 20 Squeezing Method
January 27, 2019 21. AM-GM Inequality
February 3, 2019 22. Functional Equations
February 10, 2019 23. System of Equations
