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E220
E220: Intermediate Math CompetitionsSaturdays, 2:40-4:40p, Concordia University Classroom - Fall Session: September 12, 2009; September 26, 2009 to November 21, 2009
- Winter Session: December 5, 2009 to December 19, 2009; January 9, 2010 to February 20, 2010
- Spring Session: March 6, 2010 to April 3, 2010; April 17, 2010 to May 15, 2010
Homework Solutions| week | Topic | solutions |
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| 1 | Average and Ratio | 1.1 AMC8 Average, Warm-Up 1, Warm-Up 2 | | 2 | Arithmetic Counting | 2.1 AMC8 Venn Diagram, 2.2 Counting Numbers | | 3 | Permutations | 3.1 Counting Factors, 3.2 Prime Factors | | 4 | Counting Techniques | 4.1 Counting Techniques, 4.2 AMC8 Number Theory | | 5 | Prime Factorizations | 5.1 Prime Factorization, 5.2 Exponents | | 6 | Probability | 6.1 AMC8 Counting, 6.2 Repeats | | 7 | Over-Counting | 7.1 AMC8 Percentage, 7.2 Combinations | | 8 | Combinations | 8.1 AMC8 Probability Table, 8.2 AMC8 Discounts and Profits | | 9 | Paths | 9.1 AMC8 Probability, 9.2 AMC8 Counting | | 10 | Rate and Percent | 10.1 Expected Value, 10.2 Counting and Probability | | 11 | Algebra Expressions | 11.1 Algebra Expressions, 11.2 Mathcounts Arithmetic, 11.3 Mathcounts Pretest | | 12 | Number Theory | 12.1 Number Theory, 12.2 Mathcounts | | 13 | Linear Equations | 13.1 Linear Equations, 13.2 Rational Numbers | | 14 | Absolute Values | 14.1 Absolute Values, 14.2 Algebra | | 15 | The Pascal Triangle | 15.1 The Pascal Triangle, 15.2 Mathcounts Number Theory | | 16 | Word Problem Techniques | 16.1 Word Problem Techniques, 16.2 Rate | | 17 | Factorization Techniques | 17.1 Factorization Techniques, 17.2 Factorization | | 18 | Advanced Factorization | 18.1 Completing the Square, 18.2 Substitution | | 19 | Arithmetic Sequence and Series | 19.1 Arithmetic Sequence and Series, 19.2 Factorization Using Formulas | | 20 | Geometric Sequence and Series | 20.1 Geometric Sequence and Series, 20.2 Simplifying Exponents | | 21 | Coefficients | 21.1 Coefficients, 21.2 Whole Numbers | | 22 | Synthetic Division | 22.1 Synthetic Division, 22.2 Algebra Manipulations | | 23 | Word Problems | 23.1 Mixtures, 23.2 Investments | | 24 | Geometric Probability | 24.1 Geometric Probability, 24.2 Combinatorics | | 25 | Modular Arithmetic | 25.1 Inequalities, 25.2 Modular Arithmetic | | 26 | Modular Inverse | 26.1 Arithmetic Sequence and Series, 26.2 Linear Congruences | | 27 | Modulo 11 | 27.1 Modular Operations, 27.2 Modular Residues | | 28 | Number Sense | 28.1 Number Sense, 28.2 Attendance and Proportion | | 29 | Geometric Sequence and Series | 29.1 Geometric Sequence and Series, 29.2 Lever and Ratio | | 30 | Telescoping | |
ContestsMath Olympiad for Elementary and Middle Schools (MOEMS) Round One: Lecture 10, November 14, 2009 Round Two: Lecture 13, December 19, 2009 Round Three: Lecture 15, January 16, 2010 Round Four: Lecture 19, February 13, 2010 Round Five: Lecture 22, March 13, 2010
American Mathematics Competitions (AMC) AMC8: Tuesday, November 17, 2009 AMC10A: Tuesday, February 9, 2010 AMC10B: Wednesday, February 24, 2010
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Fall 2010 Registration Period
2010 US Physics Team Announced