Math for SAT, ACT, and PSAT

Apply strategy one of three useful strategies: choosing your own number to handle variables in questions and answers, and cross out wrong options on standardized tests.

Apply the choose your own number strategy to test integer values for k between 0 and 5 and determine which statements, like 2k > 5, must be true.

Use the try the answers strategy to test numeric choices when the question has variables, saving time on hard problems. Start with middle options and substitute to verify the balance.

Apply a table to compare costs over time, using real-life examples of upfront fees and monthly charges, and pair it with algebra and answer-choice strategies to find the cheaper option.

Learn to solve the inequality x minus six is greater than or equal to two by plugging in options and by algebraic solving, confirming x is at least eight.

Explore strategies for solving x = 2p and p = 3q by making up values and plugging in numbers, then use substitution to find r; includes testing negative values.

Choose a value for x or use foil to expand (3x-2)(x+4), then compare to 3x^2+10x-8 to confirm the equivalent expression and avoid false positives.

Gain the most important, hardest-hitting info you need for the writing and reading sections, taught by an experienced English instructor with a linguistics background in grammar questions.