17 applications of proportions and the rational equations

4 linear equations and graphs of lines

3 rectangular coordinate system

16 the multiplier method for simplifying complex fractions

12 rational expressions

11 applications of factoring

18 variations

13 multiplication and division of rational expressions

15 proportions and the multiplier method for solving rational equations

1 variables, evaluation

9 order of operations

10 pythagorean theorem, square roots and irrational numbers

7 signed numbers addition and subtraction

6 percentages, conversion between fractions, decimals and percentages

14 the lcm and the multiplier method for addition and subtraction of rational expressions

8 multiplication division of signed numbers, order of operations

5 slopes of lines

10 more on factoring trinomials and factoring by formulas

2 the real line, inequalities and comparative phrases

1 basic geometry and formulas