Imagination is more important than knowledge... Albert Einstein

Guess is more important than calculation --- Knowhowacademy.com

 Competition Problem       SAT Category       SAT2 Category        Calculus Category        GMAT        ACT

### The total number of problems :2131 in Competition Category

 Num Section Topic Num of Problems Core Lecture 2_1 Numbers Square Root 4 2_2 Numbers Factor and Multiple 21 2_3 Numbers Complex Numbers 0 2_4 Numbers Fraction 9 2_6 Numbers Modular Arithmetic 12 2_7 Numbers Absolute Value 4 2_8 Numbers the Property of Integers 16 2_9 Numbers Common Sense 9 2_10 Numbers Percentage 11 2_11 Numbers PigeonHole 2 2_12 Numbers New Definition 13 2_13 Numbers Ratio Problem 4 2_13 Numbers Unit digit 2 3_1 Polynomials Factorization and modification 4 3_2 Polynomials The Quotient-Remainder Theorem 3 3_3 Polynomials Difference of squares 1 4_1 Equation Solving Equations by Factoring 0 4_3 Equation System Of Equation 10 4_4 Equation Diophantine Equations 5 4_6 Equation Linear Equation 4 4_7 Equation Quadratic Equation 11 4_8 Equation Rational equation 0 4_9 Equation Word problems 9 5_1 Speed Problem Speed Problem 10 6_1 Coordinate geometry Circles 2 6_2 Coordinate geometry Geometric Transformations of Functions 0 6_2 Coordinate geometry Distance between a line and a point 0 6_3 Coordinate geometry The Graph-Translation Theorem 1 6_4 Coordinate geometry Region of inequality 0 6_6 Coordinate geometry Line equation 6 7_1 Functions Relation (Direct Variation/Inverse Variation) 0 7_2 Functions Definition of Function 0 7_4 Functions Composition of Functions 0 7_5 Functions Inverse Functions 0 7_8 Functions Reading and understandig a Graph 1 7_9 Functions Rational Function 0 7_9 Functions Quadratic Function 4 7_10 Functions Linear Function 1 7_11 Functions Parametric Equations 0 8_1 Inequality Solving Inequalities 1 8_2 Inequality The Properties of Inequality 0 9_0 Exponential and Logarithmic Functions Properties of Exponents 8 9_1 Exponential and Logarithmic Functions Properties of Logarithms 1 9_2 Exponential and Logarithmic Functions The Graph 0 9_3 Exponential and Logarithmic Functions Equations and Inequality 2 9_4 Exponential and Logarithmic Functions Compound Interest 0 12_1 Sequence Arithmetic Sequences 6 12_2 Sequence Geometric Sequences 5 12_3 Sequence Summation and General term 5 12_4 Sequence Changing Recursive form 1 12_5 Sequence Finding a Pattern 1 13_2 Series How to Calculate the Series 3 39_1 Counting Addition and Multiplication 1 39_2 Counting Permutations 2 39_3 Counting Combinations 6 39_4 Counting casework 0 39_5 Counting Vendiagram 2 40_3 Statistics Mean, Median, Mode 9 40_4 Statistics Standard Deviation 0 41_1 Probability By Counting 7 41_2 Probability Multiplication and Addition rule 14 41_3 Probability Geometric probability 2 50_1 solid geometry Angle 14 50_2 solid geometry Length, Pythagoras theorem 21 50_3 solid geometry Area of a rectangle, a triangle 26 50_4 solid geometry Circle Related 19 50_4 solid geometry Geometric visualization 5 50_6 solid geometry Ratio 14 50_7 solid geometry Volume of a cone, cube, and cylinder 8 50_8 solid geometry Triangle Inequality 5 50_9 solid geometry special triagle 2 51_1 Trigonometry Definition of the functions 1 51_3 Trigonometry Relationship 2 51_5 Trigonometry Double Angle 1