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Pre-Algebra (Express) Pre-Algebra (McDougal Littell; 2005) Chapter 1 * Evaluate variable expressions; * Evaluate powers; * Use the order of operations to evaluate expressions; * Compare and order integers; * Add, subtract, multiply, and divide integers; * Identify and plot points in a coordinate plane. Chapter 2 * Use properties of addition and multiplication (commutative, associative, identity); * Use the distributive property; * Simplify variable expressions; * Use mental math to solve equations; * Use addition, subtraction, multiplication, or division to solve equations; * Use positive and negative decimals. Chapter 3 * Solve two-step equations; * Solve equations having like terms and parentheses; * Solve equations with variables on both sides; * Solve inequalities using addition, subtraction, multiplication, or division; * Solve multi-step inequalities. Chapter 4 * Factor numbers and monomials; * Find the GCF of numbers and monomials; * Write fractions in simplest form; * Use the LCD to compare fractions; * Use rules of exponents to simplify products and quotients; * Rewrite expressions containing negative or zero exponents; * Write numbers in scientific notation. Chapter 5 * Write, compare and order rational numbers; * Add and subtract fractions and mixed numbers with the same denominator, and with different denominators; * Multiply and divide fractions and mixed numbers; * Use multiplicative inverses to solve equations with fractional coefficients; * Solve equations and inequalities with rational numbers. Chapter 6 * Find and interpret a unit rate; * Solve proportions using algebra; * Solve proportions using the cross-products property; * Find the ratio of corresponding side lengths of similar triangles; * Find unknown side lengths of similar figures; * Find distances using scales and scale drawings; * Find the probability of an event; * Use the counting principle to count possibilities. Chapter 7 * Use fractions to find the percent of a number; * Use proportions to solve percent problems; * Use decimals to find the percent of a number; * Use an equation to solve percent problems; * Solve problems involving percent of change; * Find markups, discounts, sales tax, and tips; * Calculate interest (simple and compound) earned and account balances. Chapter 8 * Use graphs and mapping diagrams to represent relations; * Find solutions of linear equations in two variables; * Find the intercepts of the graph of an equation; * Find the slope of a line; * Find the slope and y-intercept of a line; * Write an equation of a line parallel to a given line; * Use function notation; * Solve linear systems in two variables by graphing; * Graph linear inequalities in two variables. Chapter 9 * Find and approximate square roots; * Simplify radical expressions; * Use the Pythagorean Theorem to find unknown side lengths of right triangles; * Compare and order real numbers; * Use the distance and midpoint formulas; * Find unknown side lengths in special right triangles; * Use the tangent, sine, and cosine ratios to find an unknown length in a right triangle. Chapter 10 * Find unknown angle measures and classify triangles; * Classify polygons and quadrilaterals; * Find the areas of parallelograms and trapezoids; * Find the circumferences and areas of circles; * Find the surface areas of prisms, cylinders, pyramids and cones; * Find the volumes of prisms, cylinders, pyramids, and cones. Chapter 11 * Make stem-and-leaf plots, box-and-whisker plots, and histograms; * Choose appropriate displays for data sets; * Identify populations and sampling methods; * Make conclusions about populations using surveys; * Use permutations to count possibilities; * Use combinations to count possibilities; * Find probabilities of disjoint and overlapping events; * Find probabilities of independent and dependent events. Chapter 12 * Identify polynomials and write them in standard form; * Add and subtract polynomials; * Multiply a monomial and a polynomial; * Multiply binomials (FOIL); * Simplify powers of products and quotients; * Graph quadratic functions; * Solve problems involving exponential growth and decay; * Identify and extend sequences (arithmetic, geometric, and "neither"). Chapter 13 * Identify and find measures of complementary, supplementary and vertical angles; * Identify angles formed when a transversal intersects two lines; * Find measures of interior and exterior angles of convex polygons; * Translate, reflect, rotate, and dilate figures in a coordinate plane.