Pre-Algebra |
Pre-Algebra
1 Properties of
Arithmetic
Commutative
Associative
Distributive
Negation
Reciprocal
2 Exponents
Product of powers
Quotient of powers
Power of power
Power of reciprocal
Negation in exponent
Power of negation
3 Number Theory
Divisible by 2,3,4,5,6,9
,10
GCD and LCM
4 Fractions
Multiplication of fractions
Reciprocation
Division by a fraction
Exponentiation
Negation in exponent
Common denominator 通分
5 Equations and
Inequalities
Perform same operation on both sides
Properties on inequalities
6 Decimals
Operation on decimals
repeating decimals
7 Ratios, Conver
sions, and Rates
Part vs. Whole
Proportion, Speed
Rate
8 Percents
x% = x/100
Percentage increase
9 Square Roots
Non-negative
Exponent divided by 2
10 Angles
Acute,right, obtuse, reflex
Supplementary, Complementary, Congruent
Parallel, transversal
11 Perimeter and Area
Triangle inequality
Area of triangle
Perimeter and area of circle
12 Right Triangles and Q
uadrilaterals
13 Data and Statistics
Basic Arithmetic
14 Counting
Problem-Solving Strategi
es