AUSLEXAustralian English & global dictionary

SAT

Digital SAT vocabulary for students: maths terms, Words in Context and grammar, explained in plain English and 8 languages. AUSLEX is not affiliated with College Board.

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372 entries

📘 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)

Digital SAT at a glance

Reading and Writing54 questions in two 32-minute modules (64 minutes); each question has its own short passage.
Math44 questions in two 35-minute modules (70 minutes); a calculator (built-in Desmos) is allowed on every question; some answers are typed in.
Total2 hours 14 minutes plus a 10-minute break; the second module of each section adapts to your first-module performance; scored 400–1600.

Official free practice: Bluebook · College Board SAT practice · Khan Academy

  • dispel

    verb

    To make a belief or feeling disappear.

    The study dispels the myth that reading in dim light damages eyes.
  • The formula for the distance between two points: √((x₂ − x₁)² + (y₂ − y₁)²).

    Use the distance formula to find the length of the segment.
  • In statistics, the way data values are spread across possible values.

    The distribution of test scores is roughly symmetric.
  • domain

    noun

    In maths, the set of all possible input values of a function.

    The domain of f(x) = √x is x ≥ 0.
  • A graph that shows each data value as a dot above a number line.

    The dot plot shows the number of pets per household.
  • dubious

    adjective

    Doubtful or probably not true or honest.

    The article makes some dubious claims about diet.
  • earnest

    adjective

    Serious and sincere.

    The letter is written in an earnest tone.
  • To add more details or explanation to an idea.

    The next sentence elaborates on the first claim.
  • A way to solve a system of equations by adding or subtracting equations to remove a variable.

    The elimination method removes y from both equations.
  • To explain something clearly.

    The study elucidates how bees find flowers.
  • To copy someone’s success or behaviour because you admire it.

    Young scientists often emulate their mentors.
  • To publicly support or approve of something.

    The association endorsed the new guidelines.
  • In context: to consider an idea or possibility.

    The committee refused to entertain the proposal.
  • enthusiastic

    adjective

    Showing great interest and excitement.

    The reviewer is enthusiastic about the new museum.
  • A mathematical statement that two expressions are equal, using an equals sign.

    Which value of x satisfies the equation?
  • The form (x − h)² + (y − k)² = r², with centre (h, k) and radius r.

    The equation of a circle centred at (2, −1) with radius 3 is (x − 2)² + (y + 1)² = 9.
  • A triangle with three equal sides and three 60° angles.

    Each angle in an equilateral triangle is 60°.
  • equivalent

    adjective / nounAWL 5

    Equal in value, amount or meaning; something equal to something else.

    The overseas qualification was assessed as equivalent to a bachelor degree.
  • estimate

    verb / nounAWL 1

    To guess a size, cost or amount using available information; such a guess.

    It is estimated that over 30% of Australians were born overseas.
  • In maths, to find the value of an expression by calculating it.

    Evaluate f(2) for f(x) = x² + 1.
  • even so

    phrase

    A transition meaning "despite that"; the next idea is true anyway.

    The evidence was limited. Even so, the results were widely reported.
  • To make a problem worse.

    The drought exacerbated food shortages.
  • To be a typical example of something.

    The building exemplifies modern design.
  • A small number written above another number to show how many times it is multiplied by itself.

    In 5³, the exponent is 3.
  • Decrease by the same percentage over equal time periods.

    The value of the car shows exponential decay of 15% a year.