SAT

📘 SAT study guides (4)

Start with the maths vocabulary: many students know the maths but lose marks on the English wording. Words in Context vocabulary, grammar rule cards and original practice questions are being added. SAT is a trademark of College Board; check the official site for the latest test details.

Grammar rule cards (240 practice questions)

Reading and Writing practice (100 questions)

Math practice (100 questions)

⏱ Timed module practice (Reading and Writing · Math)

• however

  adverb

  A transition that introduces a contrast with what came before.

  The method is cheap. However, it is less accurate than older tests.

• humorous

  adjective

  Funny and entertaining.

  The essay offers a humorous account of moving house.

• hypotenuse

  noun

  The longest side of a right triangle, opposite the right angle.

  The hypotenuse is 10 when the legs are 6 and 8.

• illustrate

  verbAWL 3

  To explain or make something clearer by using examples or pictures.

  The graph illustrates changes in average house prices.

• impede

  verb

  To slow down or block progress.

  Poor roads impede economic development.

• in addition

  phrase

  A transition that adds another point of the same kind.

  The app tracks spending. In addition, it sends bill reminders.

• in fact

  phrase

  A transition that adds a surprising or stronger detail, or corrects an idea.

  Many think deserts are lifeless. In fact, they support many species.

• in other words

  phrase

  A transition that restates an idea in simpler words.

  The vaccine is 95% effective. In other words, it prevents most cases.

• in particular

  phrase

  A transition that points to one especially important example.

  Coastal towns, in particular, face rising sea levels.

• in short

  phrase

  A transition that introduces a brief summary.

  The plan is cheap, quick and popular. In short, it is a success.

• in turn

  phrase

  A transition showing one effect leading to another.

  Warmer seas kill coral, which in turn harms fish populations.

• incredulous

  adjective

  Unable or unwilling to believe something.

  She was incredulous when she heard the results.

• indeed

  adverb

  A transition that confirms and strengthens the previous point.

  The task was difficult. Indeed, only two teams finished.

• independent events

  noun

  Events where the result of one does not affect the probability of the other.

  Tossing a coin twice gives independent events.

• indifferent

  adjective

  Having no interest in or concern about something.

  The public seemed indifferent to the issue.

• indignant

  adjective

  Angry because something seems unfair.

  Residents were indignant about the sudden rent rise.

• inequality

  noun

  In maths, a statement that one value is greater than or less than another, using <, >, ≤ or ≥.

  Solve the inequality 2x − 1 > 7.

• infinitely many solutions

  phrase

  When every value on a line makes the system true, because the equations describe the same line.

  If both equations are the same line, there are infinitely many solutions.

• input

  noun

  In maths, a value put into a function, usually x.

  For an input of 2, the output is 7.

• inscribed angle

  noun

  An angle with its vertex on a circle, formed by two chords.

  An inscribed angle is half the central angle.

• instead

  adverb

  A transition meaning "as a replacement" or "rather than that".

  The team did not use lab mice. Instead, they studied computer models.

• integer

  noun

  A whole number that can be positive, negative or zero, such as −3, 0 or 7.

  If n is an integer and 2n + 1 = 9, what is n?

• interquartile range

  noun

  The difference between the third and first quartiles.

  The interquartile range is 18 − 12 = 6.

• intersect

  verb

  To cross or meet at a point.

  The two lines intersect at (2, 5).

• introduce

  verb

  In context: to present a topic, idea or person for the first time in a text.

  The first sentence introduces the main research question.