In Ace Grade 9 Algebra, basic algebraic concepts are introduced in a carefully structured way so as to make the learning material understandable. This curriculum includes principles for logically solving, transposing, and canceling algebraic equations. The student works with monomial and polynomial expressions, algebraic addition, subtraction, multiplication, division, factoring, quadratic equations, positive and negative numbers, averages, percents, interest, ratios, and proportions.